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What causes the itch in mozzie bites? And why do some people get such a bad reaction?

<p><em><a href="https://theconversation.com/profiles/cameron-webb-6736">Cameron Webb</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a></em></p> <p>Are you one of these people who loathes spending time outdoors at dusk as the weather warms and mosquitoes start biting?</p> <p>Female mosquitoes <a href="https://www.annualreviews.org/content/journals/10.1146/annurev-ento-120811-153618">need blood</a> to develop their eggs. Even though they take a tiny amount of our blood, they can leave us with itchy red lumps that can last days. And sometimes something worse.</p> <p>So why does our body react and itch after being bitten by a mosquito? And why are some people more affected than others?</p> <h2>What happens when a mosquito bites?</h2> <p>Mosquitoes are attracted to warm blooded animals, including us. They’re attracted to the <a href="https://www.cambridge.org/core/journals/bulletin-of-entomological-research/article/abs/role-of-carbon-dioxide-in-hostfinding-by-mosquitoes-diptera-culicidae-a-review/2506B86EF63852B2D02EC3FCEE1E3B8B">carbon dioxide</a> we exhale, our body temperatures and, most importantly, <a href="https://www.abc.net.au/news/2024-11-08/mosquitoes-climate-change-skin/104548122">the smell of our skin</a>.</p> <p>The <a href="https://www.cell.com/trends/parasitology/abstract/S1471-4922(21)00237-3">chemical cocktail</a> of odours from bacteria and sweat on our skin <a href="https://www.cell.com/current-biology/fulltext/S0960-9822(23)00532-8">sends out a signal</a> to hungry mosquitoes.</p> <p><a href="https://www.sciencedirect.com/science/article/pii/S2667114X21000522">Some people’s</a> skin smells more appealing to mosquitoes, and they’re more likely to be bitten than others.</p> <p>Once the mosquito has made its way to your skin, things get a little gross.</p> <p>The mosquito pierces your skin with their “proboscis”, their feeding mouth part. But the proboscis isn’t a single, straight, needle-like tube. There are multiple tubes, <a href="https://www.npr.org/sections/health-shots/2016/06/07/480653821/watch-mosquitoes-use-6-needles-to-suck-your-blood">some designed</a> for sucking and some for spitting.</p> <p>Once their mouth parts have been inserted into your skin, the mosquito will inject some saliva. This contains a mix of chemicals that gets the blood flowing better.</p> <p>There has even been a suggestion that future medicines could be inspired by the <a href="https://www.sydney.edu.au/news-opinion/news/2018/03/29/mosquito-saliva-vital-to-the-discovery-of-future-drugs.html">anti-blood clotting properties</a> of mosquito saliva.</p> <p>It’s not the stabbing of our skin by the mosquito’s mouth parts that hurts, it’s the mozzie spit our bodies don’t like.</p> <h2>Are some people allergic to mosquito spit?</h2> <p>Once a mosquito has injected their saliva into our skin, a variety of reactions can follow. For the lucky few, nothing much happens at all.</p> <p>For most people, and irrespective of the type of mosquito biting, <a href="https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2022.1024559/full">there is some kind of reaction</a>. Typically there is <a href="https://www.sciencedirect.com/science/article/abs/pii/S0161589023002304?via%3Dihub">redness and swelling of the skin</a> that appears within a few hours, but often more quickly, after just a few minutes.</p> <p>Occasionally, the reaction can cause pain or discomfort. Then comes the <a href="https://www.abc.net.au/news/health/2023-01-20/mosquito-bites-itchy-calamine-heat-ice-antihistamine-toothpaste/101652608">itchiness</a>.</p> <p>Some people do suffer severe reactions to mosquito bites. It’s a condition often referred to as “<a href="https://www.webmd.com/allergies/what-is-skeeter-syndrome">skeeter syndrome</a>” and is an allergic reaction caused by the protein in the mosquito’s saliva. This can cause large areas of swelling, blistering and fever.</p> <p>The chemistry of mosquito spit hasn’t really been well studied. But it has been shown that, for those who do suffer allergic reactions to their bites, the <a href="https://www.sciencedirect.com/science/article/abs/pii/S0091674904022183">reactions may differ</a> depending on the type of mosquito biting.</p> <p>We all probably get more tolerant of mosquito bites as we get older. Young children are certainly more likely to suffer more following mosquito bites. But as we get older, the reactions are less severe and may pass quickly without too much notice.</p> <h2>How best to treat the bites?</h2> <p>Research into treating bites <a href="https://linkinghub.elsevier.com/retrieve/pii/S0161589023002304">has yet to provide</a> a single easy solution.</p> <p>There are many <a href="https://www.healthline.com/health/outdoor-health/home-remedies-for-mosquito-bites">myths and home remedies</a> about what works. But there is little scientific evidence supporting their use.</p> <p>The best way to treat mosquito bites is by applying a cold pack to reduce swelling and to keep the skin clean to avoid any secondary infections. Antiseptic creams and lotions may also help.</p> <p>There is some evidence that <a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC10309056/">heat may alleviate</a> some of the discomfort.</p> <p>It’s particularly tough to keep young children from scratching at the bite and breaking the skin. This can form a nasty scab that may end up being worse than the bite itself.</p> <p>Applying an anti-itch cream may help. If the reactions are severe, <a href="https://www.healthdirect.gov.au/insect-bites-and-stings">antihistamine medications</a> may be required.</p> <h2>To save the scratching, stop the bites</h2> <p>Of course, it’s better not to be bitten by mosquitoes in the first place. Topical <a href="https://theconversation.com/insect-repellents-work-but-there-are-other-ways-to-beat-mosquitoes-without-getting-sticky-171805">insect repellents</a> are a safe, effective and affordable way to reduce mosquito bites.</p> <p>Covering up with loose fitted long sleeved shirts, long pants and covered shoes also provides a physical barrier.</p> <p><a href="https://theconversation.com/are-mosquito-coils-good-or-bad-for-our-health-88548">Mosquito coils and other devices</a> can also assist, but should not be entirely relied on to stop bites.</p> <p>There’s another important reason to avoid mosquito bites: millions of people around the world suffer from mosquito-borne diseases. More than <a href="https://www.who.int/news-room/fact-sheets/detail/malaria">half a million people die</a> from malaria each year.</p> <p>In Australia, <a href="https://journals.plos.org/plospathogens/article?id=10.1371/journal.ppat.1005070">Ross River virus</a> infects more than 5,000 people every year. And in recent years, there have been cases of serious illnesses caused by <a href="https://www.science.org/content/article/how-rains-pigs-and-waterbirds-fueled-shocking-disease-outbreak-australia">Japanese encephalitis</a> and <a href="https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2023.1256149/full">Murray Valley encephalitis</a> viruses.</p> <p><em><a href="https://theconversation.com/profiles/cameron-webb-6736">Cameron Webb</a>, Clinical Associate Professor and Principal Hospital Scientist, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a></em></p> <p><em>Image credits: Shutterstock </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/what-causes-the-itch-in-mozzie-bites-and-why-do-some-people-get-such-a-bad-reaction-243044">original article</a>.</em></p>

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New study suggests weight loss drugs like Ozempic could help with knee pain. Here’s why there may be a link

<p><em><a href="https://theconversation.com/profiles/giovanni-e-ferreira-1030477">Giovanni E. Ferreira</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a> and <a href="https://theconversation.com/profiles/christina-abdel-shaheed-425241">Christina Abdel Shaheed</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a></em></p> <p>The drug semaglutide, commonly known by the brand names Ozempic or Wegovy, was <a href="https://theconversation.com/the-rise-of-ozempic-how-surprise-discoveries-and-lizard-venom-led-to-a-new-class-of-weight-loss-drugs-219721">originally developed</a> to help people with type 2 diabetes manage their blood sugar levels.</p> <p>However, researchers have discovered it may help with other health issues, too. Clinical trials show semaglutide can be effective for <a href="https://www.nejm.org/doi/full/10.1056/NEJMoa2032183">weight loss</a>, and hundreds of thousands of people around the world are using it <a href="https://theconversation.com/considering-taking-a-weight-loss-drug-like-ozempic-here-are-some-potential-risks-and-benefits-219312">for this purpose</a>.</p> <p>Evidence has also shown the drug can help manage <a href="https://www.nejm.org/doi/full/10.1056/NEJMoa2306963">heart failure</a> and <a href="https://www.nejm.org/doi/full/10.1056/NEJMoa2403347">chronic kidney disease</a> in people with obesity and type 2 diabetes.</p> <p>Now, a study published in the <a href="https://www.nejm.org/doi/full/10.1056/NEJMoa2403664">New England Journal of Medicine</a> has suggested semaglutide can improve knee pain in people with obesity and osteoarthritis. So what did this study find, and how could semaglutide and osteoarthritis pain be linked?</p> <h2>Osteoarthritis and obesity</h2> <p>Osteoarthritis is a common joint disease, affecting <a href="https://www.aihw.gov.au/reports/chronic-musculoskeletal-conditions/osteoarthritis">2.1 million Australians</a>. Most people with osteoarthritis <a href="https://theconversation.com/do-you-have-knee-pain-from-osteoarthritis-you-might-not-need-surgery-heres-what-to-try-instead-236779">have pain</a> and find it difficult to perform common daily activities such as walking. The knee is <a href="https://pubmed.ncbi.nlm.nih.gov/37675071/">the joint most commonly affected</a> by osteoarthritis.</p> <p>Being overweight or obese is a <a href="https://pubmed.ncbi.nlm.nih.gov/25447976/">major risk factor</a> for osteoarthritis in the knee. The link between the two conditions <a href="https://pubmed.ncbi.nlm.nih.gov/26821091/">is complex</a>. It involves a combination of increased load on the knee, <a href="https://www.nature.com/articles/s41413-023-00301-9">metabolic factors</a> such as high cholesterol and high blood sugar, and inflammation.</p> <p>For example, elevated blood sugar levels increase the production of inflammatory molecules in the body, which can damage the cartilage in the knee, and lead to the <a href="https://pubmed.ncbi.nlm.nih.gov/30712918/">development of osteoarthritis</a>.</p> <p>Weight loss is strongly recommended to reduce the pain of knee osteoarthritis in people who are overweight or obese. <a href="https://pubmed.ncbi.nlm.nih.gov/31908149/">International</a> and <a href="https://www.safetyandquality.gov.au/sites/default/files/2024-08/osteoarthritis-knee-clinical-care-standard-2024.pdf">Australian guidelines</a> suggest losing as little as 5% of body weight can help.</p> <p>But losing weight with just diet and exercise can be difficult for many people. <a href="https://pubmed.ncbi.nlm.nih.gov/26180980/">One study</a> from the United Kingdom found the annual probability of people with obesity losing 5% or more of their body weight was less than one in ten.</p> <p>Semaglutide has recently entered the market as a potential alternative route to weight loss. It comes from a class of drugs known as GLP-1 receptor agonists and works by increasing a person’s sense of fullness.</p> <h2>Semaglutide for osteoarthritis?</h2> <p>The rationale for the <a href="https://www.nejm.org/doi/full/10.1056/NEJMoa2403664">recent study</a> was that while we know weight loss alleviates symptoms of knee osteoarthritis, the effect of GLP-1 receptor agonists was yet to be explored. So the researchers set out to understand what effect semaglutide might have on knee osteoarthritis pain, alongside body weight.</p> <p>They randomly allocated 407 people with obesity and moderate osteoarthritis into one of two groups. One group received semaglutide once a week, while the other group received a placebo. Both groups were treated for 68 weeks and received counselling on diet and physical activity. At the end of the treatment phase, researchers measured changes in knee pain, function, and body weight.</p> <p>As expected, those taking semaglutide lost more weight than those in the placebo group. People on semaglutide lost around 13% of their body weight on average, while those taking the placebo lost around 3% on average. More than 70% of people in the semaglutide group lost at least 10% of their body weight compared to just over 9% of people in the placebo group.</p> <p>The study found semaglutide reduced knee pain significantly more than the placebo. Participants who took semaglutide reported an additional 14-point reduction in pain on a 0–100 scale compared to the placebo group.</p> <p>This is much greater than the pain reduction in another <a href="https://pubmed.ncbi.nlm.nih.gov/36511925/">recent study</a> among people with obesity and knee osteoarthritis. This study investigated the effects of a diet and exercise program compared to an attention control (where participants are provided with information about nutrition and physical activity). The results here saw only a 3-point difference between the intervention group and the control group on the same scale.</p> <p>The amount of pain relief reported in the semaglutide trial is also larger than that reported with commonly used pain medicines such as <a href="https://pubmed.ncbi.nlm.nih.gov/35442752/">anti-inflammatories</a>, <a href="https://pubmed.ncbi.nlm.nih.gov/35137418/">opioids</a> and <a href="https://www.bmj.com/content/372/bmj.m4825">antidepressants</a>.</p> <p>Semaglutide also improved knee function compared to the placebo. For example, people who took semaglutide could walk about 42 meters further than those on the placebo in a six-minute walking test.</p> <h2>How could semaglutide reduce knee pain?</h2> <p>It’s not fully clear how semaglutide helps with knee pain from osteoarthritis. One explanation may be that when a person loses weight, there’s less stress on the joints, which reduces pain.</p> <p>But recent studies have also suggested semaglutide and other GLP-1 receptor agonists might have <a href="https://www.sciencedirect.com/science/article/pii/S1043661822002651">anti-inflammatory</a> properties, and could even protect against <a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC6731440/">cartilage wear and tear</a>.</p> <p>While the results of this new study are promising, it’s too soon to regard semaglutide as a “miracle drug” for knee osteoarthritis. And as this study was funded by the drug company that makes semaglutide, it will be important to have independent studies in the future, to confirm the findings, or not.</p> <p>The study also had strict criteria, excluding some groups, such as those taking opioids for knee pain. One in seven Australians seeing a GP for their knee osteoarthritis <a href="https://pubmed.ncbi.nlm.nih.gov/34527976/">are prescribed opioids</a>. Most participants in the trial were white (61%) and women (82%). This means the study may not fully represent the average person with knee osteoarthritis and obesity.</p> <p>It’s also important to consider semaglutide can have a range of <a href="https://theconversation.com/considering-taking-a-weight-loss-drug-like-ozempic-here-are-some-potential-risks-and-benefits-219312">side effects</a>, including gastrointestinal symptoms and fatigue.</p> <p>There are some concerns that semaglutide could reduce <a href="https://www.sciencealert.com/experts-are-concerned-drugs-like-ozempic-may-cause-muscle-loss">muscle mass</a> and <a href="https://www.healthline.com/health-news/ozempic-muscle-mass-loss">bone density</a>, though we’re still learning more about this.</p> <p>Further, it can be difficult to access.</p> <h2>I have knee osteoarthritis, what should I do?</h2> <p>Osteoarthritis is a disease caused by multiple factors, and it’s important to take <a href="https://www.safetyandquality.gov.au/standards/clinical-care-standards/osteoarthritis-knee-clinical-care-standard/information-consumers-osteoarthritis-knee-clinical-care-standard">a multifaceted approach</a> to managing it. Weight loss is an important component for those who are overweight or obese, but so are other aspects of <a href="https://theconversation.com/do-you-have-knee-pain-from-osteoarthritis-you-might-not-need-surgery-heres-what-to-try-instead-236779">self-management</a>. This might include physical activity, pacing strategies, and other positive lifestyle changes such as improving sleep, healthy eating, and so on.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/243159/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><em><a href="https://theconversation.com/profiles/giovanni-e-ferreira-1030477">Giovanni E. Ferreira</a>, NHMRC Emerging Leader Research Fellow, Institute of Musculoskeletal Health, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a> and <a href="https://theconversation.com/profiles/christina-abdel-shaheed-425241">Christina Abdel Shaheed</a>, Associate Professor, School of Public Health, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a></em></p> <p><em>Image credits: Shutterstocl</em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/new-study-suggests-weight-loss-drugs-like-ozempic-could-help-with-knee-pain-heres-why-there-may-be-a-link-243159">original article</a>.</em></p>

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Airlines cancel flights after volcanic eruptions. An aviation expert explains why that’s a good thing

<p><em><a href="https://theconversation.com/profiles/patrick-murray-2027113">Patrick Murray</a>, <a href="https://theconversation.com/institutions/university-of-southern-queensland-1069">University of Southern Queensland</a></em></p> <p>At least three airlines <a href="https://www.abc.net.au/news/2024-11-13/flights-to-and-from-bali-cancelled-due-to-volcanic-ash/104593698">cancelled flights between Australia and Bali</a> this week after a volcano eruption in eastern Indonesia spewed a vast plume of volcanic ash into the air.</p> <p>But while would-be holiday makers are naturally <a href="https://7news.com.au/sunrise/volcanic-eruption-in-indonesia-forces-airlines-to-cancel-flights-to-bali-stranding-frustrated-passengers-c-16732486">upset</a> at having their plans disrupted, it’s worth remembering it’s not safe to fly planes through volcanic ash.</p> <p>So, how do airlines decide it’s not safe to fly when a volcano erupts? And why is volcanic ash so dangerous for aircraft, anyway?</p> <h2>What does volcanic ash do to a plane?</h2> <p>Volcanic ash particles are very, very abrasive. They can cause permanent damage to windscreens in the aircraft and can even make windscreens look opaque – like someone has gone over them with sandpaper.</p> <p>Imagine getting spectacles and scraping them over and over with sandpaper – that’s what you’d see if you were sitting in the cockpit.</p> <p>Volcanic ash can also clog or damage external sensors, leading to erroneous readings, and can infiltrate an aircraft’s ventilation system. This can affect cabin air quality and lead to potential respiratory issues.</p> <p>But the main issue, in fact, is the impact volcanic ash has on engines.</p> <p>A jet engine works by drawing in air, compressing it, mixing it with fuel and igniting it. This creates high-pressure exhaust gases that are expelled backward, which pushes the engine (and the aircraft) forward.</p> <p>The correct balance of fuel and airflow is crucial. When you disrupt airflow, it can cause the engine to stall.</p> <p>Ash particles that get inside the engines will melt and build up, causing disruption of the airflow. This could cause the engine to “flame out” or stall.</p> <p>Volcanic ash has a lot of silica in it, so when it melts it turns into something similar to glass. It won’t melt unless exposed to very high temperatures – but inside a jet engine, you do get very high temperatures.</p> <p>There was a famous incident in 1982 where a <a href="https://theaviationgeekclub.com/the-story-of-british-airways-flight-9-the-boeing-747-that-lost-all-four-engines-due-to-volcanic-ash-yet-it-landed-safely/">British Airways Boeing 747 plane</a> was flying in the vicinity of Indonesia and lost all four engines after it encountered volcanic ash spewing from Java’s Mount Galunggung.</p> <p>Fortunately, the pilot was able to <a href="https://simpleflying.com/gallunggung-glider-the-story-of-british-airways-flight-9/">restart the engines and land safely</a>, although the pilots were unable to see through the front windscreens.</p> <h2>How do airlines decide it’s not safe to fly when a volcano erupts?</h2> <p>The decision is made by each airline’s operational staff. Each airline’s operational team would be looking at the situation in real time today and making the decision based on their risk assessment.</p> <p>Every airline has a process of risk management, which is required by Australia’s Civil Aviation Safety Authority.</p> <p>Different airlines may tackle risk management in slightly different ways; you might have some cancelling flights earlier than others. But, in broad terms, the more sophisticated airlines would come to similar conclusions and they are likely all communicating with each other.</p> <p>Mostly, they make the call based on the extent of the plume – how big the cloud of ash is and where it’s going, bearing in mind that winds vary with altitude. As you get stronger winds with altitude, the ash can drift quite far from the source.</p> <p>There is also a United Nations agency called the <a href="https://www.icao.int/Pages/default.aspx">International Civil Aviation Organization</a>, which issues guidance on volcanic ash hazards. Various meteorological agencies around the world work together and liaise with aviation authorities to spread the word quickly if there is an eruption.</p> <p>For airlines to resume flights, the ash needs to clear and there needs to be a low probability of further eruptions.</p> <h2>Passenger safety is the priority</h2> <p>The underpinning reason behind these flight cancellations is safety. If you lose engines and you can’t see out the window, the risk to passenger safety is obvious.</p> <p>Naturally, people are upset about their holiday plans being held up. But it’s actually in passengers’ best interests to not fly through volcanic ash.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/243576/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><em><a href="https://theconversation.com/profiles/patrick-murray-2027113">Patrick Murray</a>, Emeritus Professor of Aviation, <a href="https://theconversation.com/institutions/university-of-southern-queensland-1069">University of Southern Queensland</a></em></p> <p><em>Image credits: Shutterstock</em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/airlines-cancel-flights-after-volcanic-eruptions-an-aviation-expert-explains-why-thats-a-good-thing-243576">original article</a>.</em></p>

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Distraught bride explains why no one showed for her wedding

<p>The heartbroken bride who went viral after no one showed up to her wedding has updated her followers on the events leading up to the big day. </p> <p>Kalina Marie, a bride from the US, went <a href="https://oversixty.co.nz/lifestyle/relationships/what-did-we-do-bride-shares-heartbroken-reaction-to-empty-wedding" target="_blank" rel="noopener">viral</a> after she took to TikTok to share the gut-wrenching video of the moment her and her new husband Shane stepped inside the lavishly decorated hall with their son, as they tried to come to terms with the fact that only a handful of people showed to celebrate with them. </p> <p>“FIVE PEOPLE SHOWED UP!!!!!!! Like, are you kidding me!?!? As you see in the video, we enter the venue. And no one is there," she wrote in the caption of the video before adding, “It just makes me think, like, why? What did we do? Am I that bad of a person?"</p> <p>Her video raked up millions of views with many people sharing words of encouragement, and thousands of people asking for an update on the situation.</p> <p>Hundreds of comments asked Kalina if she had heard from any of the invitees who didn't show up, wondering if they had provided her with a reason. </p> <p>In response to the comments, Kalina made another video to share some context with her followers.</p> <p>She first explained that and her husband, who have been together for nine years, got engaged in 2019 and weren’t able to have their wedding when they had intended to, due to the pandemic.</p> <p>In January this year, they announced they were finally tying the knot in October and for the past 10 months, Ms Marie said she has been “blabbing about it” all over Facebook.</p> <p>“I created a Facebook event and invited everyone I could and also sent out over 25 invitations to our elders and those not on social media to make sure they were included as well,” she said in a video.</p> <p>Ms Marie said she received notice from 40 who said they would be coming to the big day, so she planned for that number by setting up the venue accordingly and ensuring her mum had catered enough food.</p> <p>She also made sure to check in with everyone the week of to confirm their attendance, and said “at least 20 people” had gotten back to her saying they were coming, leaving her asking why those people chose not to show up at the last minute. </p> <p>“If I could answer that, I would tell you. And no, I haven’t really received a lot of messages explaining why people weren’t there or giving me excuses,” she said.</p> <p>However, the newlywed said she was actually grateful for this because it meant she could get a clear understanding of who actually cared about her and her husband.</p> <p>“We’ve been having to deal with the grief of deleting a lot of people out of our lives,” she admitted. </p> <p>“For the most part, we’ve done a lot of re-evaluating our lives and just spending a lot of time appreciating what we have and what we had.”</p> <p>To anyone who has had something similar happen to them, Ms Marie says: “I am truly very sorry as I wouldn’t wish this on my worst enemy.”</p> <p>The comments section of the video was again flooded with words of support and encouragement for the newlyweds, as one person wrote, “My heart aches for you,” while another called it “cruel” and “unbelievable.”</p> <p>Others emphasised that it was a powerful learning moment: “You really find out who your friends are when you have a wedding. Sorry, you went through this,” insisted one commenter.</p> <p>“The people who didn’t turn up you don’t need in your life,” another reassured.</p> <p><em>Image credits: TikTok</em></p>

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‘A woman is not a baby-making machine’: a brief history of South Korea’s 4B movement – and why it’s making waves in America

<p><em><a href="https://theconversation.com/profiles/ming-gao-1496188">Ming Gao</a>, <a href="https://theconversation.com/institutions/australian-catholic-university-747">Australian Catholic University</a></em></p> <p>In South Korea, a growing number of young women are rejecting societal expectations of marriage, motherhood and heterosexual relationships, known as the “4B Movement” or the “4 Nos”.</p> <p>The “B” is a homophone for the Korean word <em>bi</em> (비/非), meaning “no”, representing the movement’s four principles: <em>bihon</em> (no marriage), <em>bichulsan</em> (no childbirth), <em>biyeonae</em> (no dating) and <em>bisekseu</em> (no sex).</p> <p>By refusing to marry, have children, engage in romance, or participate in sexual relationships with men, 4B feminists seek to redefine their lives outside the confines of traditional gender roles.</p> <p>In the wake of the reelection of Donald Trump, there has been <a href="https://www.abc.net.au/news/2024-11-10/donald-trump-win-4b-movement-male-supremacists-make-threats/104575732">increased interest</a> in the 4B movement from women in the United States.</p> <p>But what is the 4B Movement, where did it come from, and how is it reshaping the feminist landscape in South Korea and beyond?</p> <h2>Challenges facing young women</h2> <p>The 4B Movement reflects <a href="https://www.khan.co.kr/national/national-general/article/202004140938001">a broader dissatisfaction</a> among young South Korean women who face instability of housing, digital sexual violence, economic disparities and cultural pressures.</p> <p>It emerged in the mid- to late-2010s, following a surge of interest in feminism in South Korea, and spread primarily through women’s online communities.</p> <p>The roots of the 4B Movement lie in South Korea’s rapid economic transformation and the subsequent challenges it posed for younger generations of the 2000s.</p> <p>For young women, economic insecurity is compounded by systemic gender inequality. South Korea <a href="https://www.straitstimes.com/asia/east-asia/south-korea-s-gender-pay-gap-worst-in-oecd">consistently ranks</a> worst in the OECD for the gender wage gap, and social mobility remains limited.</p> <p>Against this backdrop, traditional life paths – marriage, childbearing and homemaking – have become less appealing.</p> <p>Living an alternative life without men emerged as a radical strategy for young digital feminists to challenge the rigid patriarchy in South Korea.</p> <p>The <a href="https://www.khan.co.kr/national/national-general/article/202405172212001">senseless killing</a> in 2016 of a woman in a train station toilet by a man in Seoul shocked the nation and fuelled the movement. Online platforms became spaces where women could share their frustrations, critique patriarchal norms and organise protests.</p> <p>During this period communities like radical feminist online groups gained traction. Among these was the <em><a href="https://www.bbc.com/korean/news-44329328">Tal-Corset</a></em> (escape the corset) movement, which encouraged women to reject societal beauty standards by foregoing makeup, cosmetic surgery and restrictive clothing.</p> <p>The 4B Movement built on this momentum, targeting not only beauty standards but the very institutions that sustain patriarchy.</p> <p>It collectively challenges the notion that women’s value lies in their ability to support men and sustain the family unit.</p> <h2>‘A woman is not a baby-making machine’</h2> <p>The birth rate in South Korea ranks among the <a href="https://worldpopulationreview.com/country-rankings/birth-rate-by-country">lowest in the world</a>. The government has long viewed this as a national crisis. Policies such as subsidised housing for newlyweds and tax incentives for families have sought to encourage marriage and childbearing.</p> <p>In 2016, the government launched a national <a href="https://www.womennews.co.kr/news/articleView.html?idxno=248514">pink birth map</a> visualising the number of women of reproductive age in each district. It sparked outrage. Women criticised it as reducing them to reproductive tools, proclaiming, “<a href="https://www.nocutnews.co.kr/news/4713565">my womb is not national property</a>” and “<a href="https://www.youtube.com/watch?v=6FsEWD1bi3E">a woman is not a baby-making machine</a>”.</p> <p>For many 4B feminists, these policies represent a stark example of how the state prioritises population growth over women’s autonomy. In response, the movement frames its rejection of marriage and motherhood as an act of political resistance.</p> <p>As one <a href="https://www.womennews.co.kr/news/articleView.html?idxno=111598">protest slogan</a> declared: “End population policies! Stop blaming women”.</p> <h2>Living on their own terms</h2> <p>Despite its growing influence, the 4B Movement faces significant challenges.</p> <p>The radical principles have sparked backlash, with critics labelling participants as selfish or anti-social. Swearing off men as a form of protest against patriarchal structures and traditional marital norms is sometimes (mis)interpreted as implicitly favouring <a href="https://brunch.co.kr/brunchbook/radsview2">lesbianism</a>, given its stance against heterosexual relationships.</p> <p>The movement has also attracted negative political attention. <a href="https://www.khan.co.kr/national/national-general/article/202004140938001">Lee Seung-cheon</a>, a 58-year-old Democratic Party candidate, pledged to introduce “measures to reject the 4B Movement” as part of his policy campaign in 2020.</p> <p>Yet 4B feminists remain steadfast in their vision of a future where women can live on their own terms. Their rejection of traditional life paths is not a retreat into isolation but an attempt to create new ways of being free from patriarchal constraints.</p> <p>As one participant noted, rejecting marriage allows women to envision futures beyond societal deadlines like “<a href="https://brunch.co.kr/@404homealone/34">a woman’s age has an expiration date</a>”.</p> <h2>An international movement</h2> <p>The 4B Movement’s radical critique of patriarchy has resonated internationally.</p> <p>4B Movement ideas are starting to strike a chord in the US. The movement’s core principles align with broader feminist critiques of patriarchy and capitalism, which have intensified in response to political developments such as Trump’s rhetoric and debates over reproductive rights.</p> <p>In the US, Trump’s presidency (and now his return) has been a flashpoint for feminist activism. Policies restricting access to abortion, coupled with an increase in conservative rhetoric around women’s rights, have galvanised movements that resist patriarchal structures.</p> <p>For American feminists, the 4B Movement offers a framework for resistance that goes beyond economic precarity. It provides a roadmap for rejecting political conflicts, focusing on reclaiming agency by prioritising autonomy over their own bodies and rights.</p> <p>6B4T is inspired by the 4B Movement and has gained particular attention <a href="https://weibo.com/1263977197/KaFZGjoG4">in China</a>. This version incorporates additional principles, including rejecting consumerism and fostering mutual aid among unmarried women.</p> <p>The spread of 4B ideas across Asia and beyond highlights the universality of feminist struggles. As the movement continues to evolve, its impact extends beyond South Korea, sparking conversations about gender, autonomy and the future of feminism.</p> <p>Whether embraced or contested, the 4B Movement forces society to confront uncomfortable truths about the cost of sustaining patriarchy – and perhaps the possibilities of living without it.</p> <hr /> <p><em>Correction: 6B4T is inspired by the 4B movement and gained attention in China; it did not originate in China.</em><img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/243355/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><em><a href="https://theconversation.com/profiles/ming-gao-1496188">Ming Gao</a>, Research Scholar, Gender and Women's History Research Centre, <a href="https://theconversation.com/institutions/australian-catholic-university-747">Australian Catholic University</a></em></p> <p><em>Image credits: Shutterstock</em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/a-woman-is-not-a-baby-making-machine-a-brief-history-of-south-koreas-4b-movement-and-why-its-making-waves-in-america-243355">original article</a>.</em></p>

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Why planes still have no smoking signs

<p dir="ltr">Have you ever wondered why planes still have dozens of no smoking signs inside an aircraft, even 30 years after a worldwide ban was implemented?</p> <p dir="ltr">A travel expert has answered this age-old question, just weeks after the US Federal Aviation Administration (FAA) got rid of the off switch for no smoking signs.</p> <p dir="ltr">This means that for all American planes across every US airline, the no smoking signs stay lit throughout the entire time you’re on board, which includes taxing, takeoff, cruising and landing.</p> <p dir="ltr">While it would seem that no smoking signs onboard planes are no longer needed nowadays, they are actually very much needed.</p> <p dir="ltr">“While no smoking signs may seem like an old and outdated practice, they are still a necessity for a few different reasons,” RVshare travel expert Maddi Bourgerie told <a href="https://www.thrillist.com/news/nation/planes-no-smoking-signs-why-expert"><em>Thrillist</em>.</a></p> <p dir="ltr">Firstly, it’s down to public health and safety, as Ms Bourgerie said, “There are aviation regulations in place that require airlines to maintain a no-smoking policy, which is largely due to the flammability of materials in the cabin.”</p> <p dir="ltr">She added, “the signs reinforce a smoke-free environment for all passengers and crew,” with second-hand smoke being dangerous to those around you in an enclosed space.</p> <p dir="ltr">Ms Bourgerie also explained that having the signs gives the airline some protection from potential lawsuits, with the signs acting as a safety net if a smoking-related incident occurs on board.</p> <p dir="ltr">The travel expert also pointed to a less obvious reason for keeping the no smoking signs, explaining, “Many procedures and protocols in aviation are maintained for consistency and familiarity.”</p> <p dir="ltr">“And the no smoking sign has become a standard part of the in-flight experience.”</p> <p dir="ltr"><em>Image credits: Shutterstock</em></p>

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For some people dying alone is not such a bad thing – here’s why

<p><em><a href="https://theconversation.com/profiles/glenys-caswell-142188">Glenys Caswell</a>, <a href="https://theconversation.com/institutions/university-of-nottingham-1192">University of Nottingham</a></em></p> <p>It seems so obvious that no one should die alone that we never talk about it, but people do often die when they are alone. Sometimes they die in a way that suggests they prefer to be alone as they are coming to the end of their lives. So is it really such a bad thing to be alone when you die?</p> <p>When a person is dying in a hospital or a care home it is common for the nurses caring for them to summon their family. Many people will have the experience of trying to <a href="http://journals.sagepub.com/doi/abs/10.2190/OM.55.3.d">keep vigil beside a family member</a>. It is hard – as everyday life goes on regardless – and it can be emotionally exhausting. Sometimes, the relative will die when their family have gone to make a phone call or get a cup of tea, leaving the family feeling distressed and guilty for not being there when they died.</p> <p>There is plenty of research literature, from many countries, devoted to trying to decide <a href="http://www.sciencedirect.com/science/article/pii/S0885392415001578">what makes a good death</a>. There are differences to be found between countries, but similarities too. One similarity is a belief that <a href="http://www.sciencedirect.com/science/article/pii/S106474811600138X?via%3Dihub">no one should die alone</a>.</p> <p>This idea sits well with the view of dying that can be found in many different places. When interviewed as research participants, health professionals – and <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2904589/">nurses in particular</a> – commonly say that no one should die alone. There are also many cultural references that suggest that to die alone is a bad thing. Consider, for example, the death of Ebenezer Scrooge in Dickens’s <a href="https://www.gutenberg.org/files/46/46-h/46-h.htm">A Christmas Carol</a>, or the death of Nemo, the law writer in <a href="http://www.gutenberg.org/files/1023/1023-h/1023-h.htm">Bleak House</a>. These are both sad, dark, lonely deaths of a kind to be avoided.</p> <p>Celebrity deaths, such as those of comedian and actress <a href="https://www.theguardian.com/culture/2016/apr/20/victoria-wood-dies-aged-62-comedian">Victoria Wood</a> or <a href="http://www.bbc.co.uk/news/entertainment-arts-35278872">David Bowie</a>, are described in the news as peaceful or good when they are surrounded by family. Ordinary people who die alone make the news when the person’s body is undiscovered for a long time. When this happens the death is likely to be described in <a href="http://www.sciencedirect.com/science/article/pii/S027795360300577X?via%3Dihub">negative terms</a>, such as shocking, lonely, tragic or as a sad indictment of society.</p> <h2>Some people prefer to be alone</h2> <p>Of course, it may be the case that many people would prefer to have their family around them when they are dying. But there is <a href="http://www.tandfonline.com/doi/full/10.1080/21582041.2015.1114663">evidence</a> that suggests that some people would <a href="http://www.sciencedirect.com/science/article/pii/S0277953615003482?via%3Dihub">prefer to be alone </a>as they are coming to the end of their lives.</p> <p>My own <a href="http://www.tandfonline.com/doi/full/10.1080/13576275.2017.1413542">research</a> found that while hospice-at-home nurses believe that no one should die alone, they had seen cases where a person died after their family members had left the bedside. The nurses believed that some people just want to be on their own when they are dying. They also thought that people may have a measure of control over when they die, and choose to do so when their family are not around.</p> <p>In the same study, I also talked to older people who were living alone to find out their views about dying alone. I was intrigued to learn that dying alone was not seen as something that is automatically bad, and for some of the older people it was to be preferred. For some people in this group, dying was not the worst thing that could happen – being trapped in a care home was considered to be far worse than dying alone.</p> <p>Cultural representations of dying suggest that being alone while dying is a dreadful thing. This view is supported by healthcare policy and the practices of health professionals, such as nurses. But we all know people who prefer to be left alone when they are ill. Is it so surprising then that some might wish to be alone when they are dying?</p> <p>It is time we began to talk about this and to accept that we want different things in our dying as we do in our living. Openness created through discussion might also help to remove some of the guilt that family members feel when they miss the moment of their relative’s death.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/90034/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><em><a href="https://theconversation.com/profiles/glenys-caswell-142188">Glenys Caswell</a>, Senior Research Fellow, <a href="https://theconversation.com/institutions/university-of-nottingham-1192">University of Nottingham</a></em></p> <p><em>Image credits: Shutterstock </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/for-some-people-dying-alone-is-not-such-a-bad-thing-heres-why-90034">original article</a>.</em></p>

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Why do organisations still struggle to protect our data? We asked 50 professionals on the privacy front line

<p><em><a href="https://theconversation.com/profiles/jane-andrew-10314">Jane Andrew</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>; <a href="https://theconversation.com/profiles/dr-penelope-bowyer-pont-1550191">Dr Penelope Bowyer-Pont</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>, and <a href="https://theconversation.com/profiles/max-baker-25553">Max Baker</a>, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a></em></p> <p>More of our personal data is now collected and stored online than ever before in history. The rise of data breaches should unsettle us all.</p> <p>At an individual level, data breaches can compromise our privacy, cause harm to our finances and mental health, and even enable identity theft.</p> <p>For organisations, the repercussions can be equally severe, often resulting in major financial losses and brand damage.</p> <p>Despite the increasing importance of protecting our personal information, doing so remains fraught with challenges.</p> <p>As part of a <a href="http://www.doi.org/10.25910/psq3-q365">comprehensive study</a> of data breach notification practices, we interviewed 50 senior personnel working in information security and privacy. Here’s what they told us about the multifaceted challenges they face.</p> <h2>What does the law actually say?</h2> <p>Data breaches occur whenever personal information is accessed or disclosed without authorisation, or even lost altogether. <a href="https://www.abc.net.au/news/2024-06-20/optus-hack/104002682">Optus</a>, <a href="https://www.abc.net.au/news/2022-11-09/medibank-data-release-dark-web-hackers/101632088">Medibank</a> and <a href="https://www.afr.com/technology/canva-criticised-after-data-breach-exposed-139m-user-details-20190526-p51r8i">Canva</a> have all experienced high-profile incidents in recent years.</p> <p>Under Australia’s <a href="https://www8.austlii.edu.au/cgi-bin/viewdb/au/legis/cth/consol_act/pa1988108/">privacy laws</a>, organisations aren’t allowed to sweep major cyber attacks under the rug.</p> <p>They have to notify both the regulator – the Office of the Australian Information Commissioner (OAIC) – and any affected individuals of breaches that are likely to result in “<a href="https://www8.austlii.edu.au/cgi-bin/viewdb/au/legis/cth/consol_act/pa1988108/#:%7E:text=Whether%20access%20or%20disclosure%20would%20be%20likely%2C%20or%20would%20not%20be%20likely%2C%20to%20result%20in%20serious%20harm%2D%2Drelevant%20matters%20%C2%A0">serious harm</a>”.</p> <p>But according to the organisational leaders we interviewed, this poses a tricky question. How do you define serious harm?</p> <p>Interpretations of what “serious harm” actually means – and how likely it is to occur – vary significantly. This inconsistency can make it impossible to predict the specific impact of a data breach on an individual.</p> <p>Victims of domestic violence, for example, may be at increased risk when personal information is exposed, creating harms that are difficult to foresee or mitigate.</p> <h2>Enforcing the rules</h2> <p>Interviewees also had concerns about how well the regulator could provide guidance and enforce data protection measures.</p> <p>Many expressed a belief the OAIC is underfunded and lacks the authority to impose and enforce fines properly. The consensus was that the challenge of protecting our data has now outgrown the power and resources of the regulator.</p> <p>As one chief information security officer at a publicly listed company put it:</p> <blockquote> <p>What’s the point of having speeding signs and cameras if you don’t give anyone a ticket?</p> </blockquote> <p>A lack of enforcement can undermine the incentive for organisations to invest in robust data protection.</p> <h2>Only the tip of the iceberg</h2> <p>Data breaches are also underreported, particularly in the corporate sector.</p> <p>One senior cybersecurity consultant from a major multinational company told us there is a strong incentive for companies to minimise or cover up breaches, to avoid embarrassment.</p> <p>This culture means many breaches that should be reported simply aren’t. One senior public servant estimated only about 10% of reportable breaches end up actually being disclosed.</p> <p>Without this basic transparency, the regulator and affected individuals can’t take necessary steps to protect themselves.</p> <h2>Third-party breaches</h2> <p>Sometimes, when we give our personal information to one organisation, it can end up in the hands of another one we might not expect. This is because key tasks – especially managing databases – are often outsourced to third parties.</p> <p>Outsourcing tasks might be a more efficient option for an organisation, but it can make protecting personal data even more complicated.</p> <p>Interviewees told us breaches were more likely when engaging third-party providers, because it limited the control they had over security measures.</p> <p>Between July and December 2023 in Australia, there was an increase of <a href="https://www.oaic.gov.au/privacy/notifiable-data-breaches/notifiable-data-breaches-publications/notifiable-data-breaches-report-july-to-december-2023">more than 300%</a> in third-party data breaches compared to the six months prior.</p> <p>There have been some highly publicised examples.</p> <p>In May this year, many Clubs NSW customers had their personal information potentially <a href="https://www.rimpa.com.au/resource/more-than-a-million-australian-data-records-potentially-exposed-in-nsw-club-and-pub-data-breach.html#:%7E:text=Outabox%2C%20the%20IT%20services%20provider,and%20has%20notified%20law%20enforcement">breached</a> through an attack on third-party software provider Outabox.</p> <p>Bunnings suffered a <a href="https://australiancybersecuritymagazine.com.au/bunnings-customer-data-compromised/">similar breach</a> in late 2021, via an attack on scheduling software provider FlexBooker.</p> <h2>Getting the basics right</h2> <p>Some organisations are still struggling with the basics. Our research found many data breaches occur because outdated or “legacy” data systems are still in use.</p> <p>These systems are old or inactive databases, often containing huge amounts of personal information about all the individuals who’ve previously interacted with them.</p> <p>Organisations tend to hold onto personal data longer than is legally required. This can come down to confusion about data-retention requirements, but also the high cost and complexity of safely decommissioning old systems.</p> <p>One chief privacy officer of a large financial services institution told us:</p> <blockquote> <p>In an organisation like ours where we have over 2,000 legacy systems […] the systems don’t speak to each other. They don’t come with big red delete buttons.</p> </blockquote> <p>Other interviewees flagged that risky data testing practices are widespread.</p> <p>Software developers and tech teams often use “production data” – real customer data – to test new products. This is often quicker and cheaper than creating test datasets.</p> <p>However, this practice exposes real customer information to insecure testing environments, making it more vulnerable. A senior cybersecurity specialist told us:</p> <blockquote> <p>I’ve seen it so much in every industry […] It’s literally live, real information going into systems that are not live and real and have low security.</p> </blockquote> <h2>What needs to be done?</h2> <p>Drawing insights from professionals at the coalface, our study highlights just how complex data protection has become in Australia, and how quickly the landscape is evolving.</p> <p>Addressing these issues will require a multi-pronged approach, including clearer legislative guidelines, better enforcement, greater transparency and robust security practices for the use of third-party providers.</p> <p>As the digital world continues to evolve, so too must our strategies for protecting ourselves and our data.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/236681/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><em><a href="https://theconversation.com/profiles/jane-andrew-10314">Jane Andrew</a>, Professor, Head of the Discipline of Accounting, Governance and Regulation, University of Sydney Business School, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>; <a href="https://theconversation.com/profiles/dr-penelope-bowyer-pont-1550191">Dr Penelope Bowyer-Pont</a>, Researcher, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a>, and <a href="https://theconversation.com/profiles/max-baker-25553">Max Baker</a>, Associate professor, <a href="https://theconversation.com/institutions/university-of-sydney-841">University of Sydney</a></em></p> <p><em>Image credits: Shutterstock </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/why-do-organisations-still-struggle-to-protect-our-data-we-asked-50-professionals-on-the-privacy-front-line-236681">original article</a>.</em></p>

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6 reasons why people enjoy horror movies

<p><em><a href="https://theconversation.com/profiles/shane-rogers-575838">Shane Rogers</a>, <a href="https://theconversation.com/institutions/edith-cowan-university-720">Edith Cowan University</a>; <a href="https://theconversation.com/profiles/coltan-scrivner-1475716">Coltan Scrivner</a>, <a href="https://theconversation.com/institutions/arizona-state-university-730">Arizona State University</a>, and <a href="https://theconversation.com/profiles/shannon-muir-2237282">Shannon Muir</a>, <a href="https://theconversation.com/institutions/edith-cowan-university-720">Edith Cowan University</a></em></p> <p>The creeping shadows and haunting decorations transform the everyday into something eerie at Halloween. And you might be thinking about scaring yourself with a <a href="https://editorial.rottentomatoes.com/guide/best-horror-movies-of-all-time/">good horror movie</a>.</p> <p>Grotesque imagery, extreme violence, startling jump scares and menacing characters are common elements, making viewers feel fear, dread and disgust.</p> <p>We generally aim to avoid these <a href="https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2023.1321053/full">negative emotions</a> in our everyday lives.</p> <p>So why would some people seek them out, and enjoy them, in horror movies?</p> <h2>1. Fear can be thrilling</h2> <p>There is lots of <a href="https://www.sciencedirect.com/science/article/abs/pii/S0149763423002063">overlap</a> between the emotions of fear and <a href="https://www.nature.com/articles/s41598-024-53533-y">excitement</a>. In both, <a href="https://www.annualreviews.org/content/journals/10.1146/annurev.neuro.051508.135620">stress hormones</a> are released that can produce physical symptoms such as increased heart and breathing rates, sweating and muscle tension. People also feel <a href="https://www.verywellmind.com/the-psychology-of-fear-2671696">more alert</a> and “on edge”.</p> <p>Research has <a href="https://www.frontiersin.org/articles/10.3389/fpsyg.2019.02298/full">consistently shown</a> people with personalities that crave intense emotional experiences, including fear and excitement, tend to enjoy horror movies.</p> <p>But for more fearful people, the jump scares and violent scenes can be <a href="https://doi.org/10.1093/oso/9780197535899.001.0001">too intense</a>. This can result in <a href="https://journals.sagepub.com/doi/full/10.1177/0956797620972116">coping behaviours</a> such as looking away or putting their hands over the ears, especially if they are <a href="https://doi.org/10.1037/ebs0000152">highly immersed</a> in the movie.</p> <p>Although, if they also happen to enjoy intense emotion, they may still enjoy the thrill of the ride.</p> <figure><iframe src="https://www.youtube.com/embed/llpsjbNQIns?wmode=transparent&amp;start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe><figcaption><span class="caption">Movie makers work hard to get these ‘jump scares’ just right. And viewers enjoy the thrill.</span></figcaption></figure> <h2>2. There’s a sense of relief</h2> <p>People may enjoy horror movies because of a <a href="https://osf.io/preprints/psyarxiv/7uh6f">sense of relief</a> after a <a href="https://www.the-scientist.com/ts-digest/issue/science-experiments-from-the-afterlife-24-14?utm_campaign=TS_TS%20Digest%202.0%20Promotion&amp;utm_medium=email&amp;_hsmi=329250194&amp;utm_content=329250194&amp;utm_source=hs_email#why-do-some-people-enjoy-horror-movies-72181">scary moment has passed</a>.</p> <p>Watching a horror movie can be a bit of an emotional rollercoaster, with distinct <a href="https://www.sciencedirect.com/science/article/pii/S1053811920300094">peaks and troughs</a> of fear and relief over the course of the film.</p> <p>For example, in the <a href="https://www.imdb.com/title/tt1396484/">2017 movie It</a> the main protagonists survive a series of scary encounters with a demonic clown. The scary moments are separated by calmer scenes, prompting a rollercoaster of emotions.</p> <p>In the classic <a href="https://www.imdb.com/title/tt0073195/">1975 movie Jaws</a>, viewers experience relief from the scary moments, only to be scared again and again.</p> <figure><iframe src="https://www.youtube.com/embed/yFXG5QQYOvg?wmode=transparent&amp;start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe><figcaption><span class="caption">Jaws is a rollercoaster of emotions.</span></figcaption></figure> <h2>3. They satisfy our morbid curiosity</h2> <p>Many horror movies feature supernatural themes and characters such as zombies, werewolves and vampires. So horror movies can help satiate a <a href="https://www.sciencedirect.com/science/article/abs/pii/S0191886921005183">morbid curiosity</a>.</p> <p>The violence, death, destruction and grotesque elements can provide curious people a safe space to explore things that are not safe (or socially appropriate) in the real world.</p> <figure><iframe src="https://www.youtube.com/embed/ZbdMMI6ty0o?wmode=transparent&amp;start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe><figcaption><span class="caption">Horror movies can help people satisfy their curiosity about death. But why are they curious in the first place?</span></figcaption></figure> <h2>4. We can work out our limits</h2> <p>Horror movies can reflect our deepest fears and prompt introspection about our personal thresholds of fear and disgust.</p> <p>So some people may enjoy watching them to get a <a href="https://osf.io/preprints/psyarxiv/sdxe6">better understanding</a> of their own limits.</p> <p>Watching horror might also be a way to push personal boundaries to potentially become <a href="https://osf.io/preprints/psyarxiv/7uh6f">less fearful</a> or grossed out by things in real life.</p> <p>In a <a href="https://doi.org/10.1016/j.paid.2020.110397">study</a> one of us (Coltan) conducted, horror movie fans reported less psychological distress during the early months of the COVID pandemic compared with people not identifying as a horror movie fan.</p> <h2>5. They can be social</h2> <p>Some people say the <a href="https://doi.org/10.1037/ebs0000152">social aspect</a> of watching horror movies with others is a big part of their appeal.</p> <p>Watching with others might help some people feel safer. Alternatively, this might help <a href="https://osf.io/preprints/psyarxiv/b8tgs">amplify</a> the emotional experience by <a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0223259">feeding off the emotions</a> of people around them.</p> <p>Horror movies are also a common pick as a <a href="https://www.imdb.com/list/ls023286138/">date night</a> movie. Being <a href="https://doi.org/10.1037/0022-3514.51.3.586">scared together</a> gives a good excuse to snuggle and take comfort in each other.</p> <h2>6. They give us pleasure in other people’s misery</h2> <p>Horror movies can provide the pleasurable emotion we feel when witnessing the misfortune of others, known as <a href="https://www.sciencedirect.com/topics/neuroscience/schadenfreude">schadenfreude</a>. This occurs most when we feel the person experiencing misfortune deserves it.</p> <p>In many horror movies the characters that suffer a gruesome fate are only side characters. Much of the time these unfortunate souls are made out to be unlikeable and often make foolish choices before their grisly end.</p> <p>For example, in the 1996 teen witch movie <a href="https://www.imdb.com/title/tt0115963/">The Craft</a>, the character Chris Hooker is portrayed as being cruel to women. Then he dies by being blasted out of a window.</p> <p>Despite the grisly nature of horror movies, a <a href="https://psycnet.apa.org/record/2024-43893-001">study</a> by one of us (Coltan) found horror fans seem to have the same levels of empathy as anyone else.</p> <figure><iframe src="https://www.youtube.com/embed/ZvLmyts6cEY?wmode=transparent&amp;start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe><figcaption><span class="caption">In The Craft, viewers enjoy witnessing the misfortune of others, particularly if the character is a ‘baddy’.</span></figcaption></figure> <h2>What do I make of all this?</h2> <p>Horror movies allow us to confront our deepest fears through the <a href="https://doi.org/10.1027/1864-1105/a000354">safety of make-believe</a>.</p> <p>People enjoy them for lots of different reasons. And the precise combination of reasons differs depending on the specific movie, and the person or people watching it.</p> <p>What is certain though, is the <a href="https://www.the-numbers.com/market/genres">increasing popularity</a> of horror movies, with <a href="https://editorial.rottentomatoes.com/guide/best-horror-movies-of-all-time/">many</a> to choose from.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/241480/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><a href="https://theconversation.com/profiles/shane-rogers-575838"><em>Shane Rogers</em></a><em>, Lecturer in Psychology, <a href="https://theconversation.com/institutions/edith-cowan-university-720">Edith Cowan University</a>; <a href="https://theconversation.com/profiles/coltan-scrivner-1475716">Coltan Scrivner</a>, Behavioral Scientist, <a href="https://theconversation.com/institutions/arizona-state-university-730">Arizona State University</a>, and <a href="https://theconversation.com/profiles/shannon-muir-2237282">Shannon Muir</a>, Lecturer in psychology, <a href="https://theconversation.com/institutions/edith-cowan-university-720">Edith Cowan University</a></em></p> <p><em>Image credits: Shutterstock </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/6-reasons-why-people-enjoy-horror-movies-241480">original article</a>.</em></p>

Movies

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Readers response: What celebrity do you think would make a great friend, and why?

<p>When it comes to celebrities, everyone has their favourites, their crushes, and those they'd rather steer clear of. </p> <p>We asked our readers what celebrity they think they would be good friends with, and the response was overwhelming. Here's what they said. </p> <p><strong>Judy Yannopoulos</strong> - Keanu Reeves. A true honest person with a good heart.</p> <p><strong>Jenny Maclean</strong> - Steven Fry. He’s honest and kind and so very intelligent.</p> <p><strong>Jeff-Lyn Bloom</strong> - Tom Hanks. He is so down to earth. Doesn’t put on airs.</p> <p><strong>Jan Totti</strong> - John Farnham, because he’s down to earth and there’s no pretences. He seems just a lovely honest person. He’s an amazing Australian singer.</p> <p><strong>Caz McDougall</strong> - Michael Sheen and David Tennant.</p> <p><strong>Karen Maberly</strong> - Judi Dench. Seems like a good communicator, sharp mind and full of fun, and not full of herself!!</p> <p><strong>Cheryl Cunningham</strong> - Denzel Washington. Totally honest and decent human.</p> <p><strong>Rhonda Moffitt</strong> - Maggie Beer. She treasures family &amp; others. Always smiling, Maggie I think would be great company.</p> <p><strong>Lisa Drury Hudson</strong> - Audrey Hepburn, for her compassion, strength, fighting for children's rights and empathy. What a loss.</p> <p><strong>Bob Wilkinson</strong> - Hugh Jackson and Chris Hemsworth as they both seem like down to earth nice people.</p> <p><em>Image credits: Shutterstock </em></p>

Relationships

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Five reasons why owning a pet is good for us

<p>With more pets than people, Australians have one of the world’s highest pet ownership rates with 62% of us owning at least one pet. And if you’re wondering why we’re so pet mad, research has shown the benefits include companionship, improved mental wellbeing, lower stress and better heart health.</p> <ol> <li><strong>Pets protect us from loneliness</strong></li> </ol> <p>We see our pet as part of the family. Their unconditional (and non-judgemental) love provides us companionship and help to lower stress and anxiety. Interacting with your pet increases feelings of social support and elevates mood. </p> <p>Dog walking increases opportunities for social interaction. When walking outside, fellow dog walkers love to say hello and introduce themselves and their dog to you. Some cafes and restaurants and hotels are dog-friendly venues too. When travelling alone, it’s  wonderful to be able to take your furry companion with you.</p> <ol start="2"> <li><strong>Pets are good for our mental and physical well-being</strong></li> </ol> <p>Pet ownership brings responsibility and the need for skills to know how to best take care of them. These skills will extend to other animals, and other people. Children who have pets develop better social skills when interacting with their friends.</p> <p>Dog owners enjoy lower blood pressure, lower cholesterol levels and less heart disease. While owning a dog is not fully protective, the benefit of all those dog walks are they keep you fitter, healthier and less stressed.</p> <p>If you are unlucky enough to have a heart attack, your long-term survival rate is assisted by having a dog. While interacting with a pet for 10-12 minutes will lower your blood pressure.</p> <p>One of the joys of owning a pet, is the pleasure they provide, and the feeling is mutual. Gazing into the eyes of your beloved pooch, boosts levels of oxytocin our bonding molecule. Our long-standing human-dog relationship was established over 30,000 years ago.</p> <p>Patting or stroking our pets is soothing, especially their silky ears. This is relaxing and how delightful is it when your pet reciprocates with loud purring or offers their tummy for a rub?</p> <ol start="3"> <li><strong>Pets are good for our immune system</strong></li> </ol> <p>You’ve probably heard about your gut microbiome that’s important to keep you healthy. Being a pet owner provides you a healthier microbiome and more robust immune system by promoting more of the beneficial bacteria and lowering the level of harmful, or pathogenic bacteria in our gut.</p> <p>Not only that, stroking your pet raises levels of immunoglobulin A in your body that forms a physical barrier in the gut to protect you against potential invading pathogens.</p> <p>In addition, pregnant mums with a pet in the household are less likely to have infants with childhood allergies, asthma or obesity.</p> <ol start="4"> <li><strong>Pets help us cope better with pain and recovery from illness</strong></li> </ol> <p>Owning a pet has been shown to help manage chronic pain. Pets often sense when their owner isn’t well or in pain and will stay close by, which is very soothing.</p> <p>Watching our pets play and their antics can serve as a useful distraction to our struggles with pain or illness. Having your pet with you (when allowed) in a hospital setting is reassuring and can lift your mood.</p> <p>Animals can help in the work or learning environment. Some workplaces have an office pet policy where you’re allowed to have you pet stay with you while you work. This has been shown to be great for boosting staff morale, collaboration and overall happiness, while keeping work stress lower.</p> <ol start="5"> <li><strong>Pets help us better manage our own self-care</strong></li> </ol> <p>Self-care is always important to stay fit and healthy but isn’t something we always find easy to do. This is where taking responsibility for a pet can help. Teenagers with type one diabetes when given goldfish to care for, did better in monitoring their own blood sugar levels, while having a pet have also been shown to help younger students stay focused and on task, and achieve higher academic results.</p> <p>Pets enrich our lives in so many ways from improved mental well-being to lower stress, elevated mood and greater social support. Whatever type of pet you choose, remember the benefits will work both ways.</p> <p><em><strong>Dr Jenny Brockis is a board-certified lifestyle medicine physician, workplace health and well-being consultant, and author of The Natural Advantage (Major Street Publishing). www.drjennybrockis.com</strong></em></p> <p><em><strong>Image credits: Shutterstock </strong></em></p>

Family & Pets

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Readers response: What’s your favourite destination you’ve visited later in life and why?

<p>When it comes to travelling, some destinations are better than others for different points in your life. </p> <p>We asked our readers what their favourite destination they've ever visited later in life is, and the response was overwhelming. Here's what they said. </p> <p><strong>Robin Liersch</strong> - Africa! Not about the big cities but the animals, landscape and people are lovely. Nature at its best.</p> <p><strong>Karen Ambrose</strong> - Sri Lanka. A fabulous tour.</p> <p><strong>Sandra Way</strong> - Switzerland, such a beautiful country.</p> <p><strong>Deb Moore</strong> - Scotland! The highlands. Because of my ancestry, now that I have been there I feel so very drawn back.</p> <p><strong>Wendy Beckhouse</strong> - Cambodia, Angkor Wat is amazing. Beautiful people and great food.</p> <p><strong>Patricia Monro</strong> - Singapore. A beautiful safe country with spectacular scenery everywhere. Our family lived there for a couple of years so our visits were perfect. Simply love Singapore.</p> <p><strong>Christina Hutchings</strong> - Norway. Especially Geirangar. The people and places were fantastic. Would love to go back.</p> <p><strong>Barbara Mules</strong> - Uzbekistan, not at all what I expected. So many beautiful old buildings, good food and lovely people.</p> <p><strong>Elizabeth Jeffreys</strong> - Italy. Love the country, people and food.</p> <p><strong>Helen Dickenson</strong> - Antarctica, the Parthenon and Machu Picchu because I never thought I could physically do it but I’m glad I managed it.</p> <p><strong>Regina Johnson</strong> - South Island, New Zealand. Spectacular.</p> <p><strong>Ian J Wilson</strong> - Japan, without a doubt.</p> <p><strong>Val Goodwin</strong> - Croatia, wonderful place and people.</p> <p><em>Image credits: Shutterstock </em></p>

Travel Tips

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Why do I have hay fever? I didn’t have it as a child

<p><em><a href="https://theconversation.com/profiles/janet-davies-103598">Janet Davies</a>, <a href="https://theconversation.com/institutions/queensland-university-of-technology-847">Queensland University of Technology</a> and <a href="https://theconversation.com/profiles/joy-lee-1480523">Joy Lee</a>, <a href="https://theconversation.com/institutions/monash-university-1065">Monash University</a></em></p> <p>Hay fever (or allergic rhinitis) is a long-term inflammatory condition that’s incredibly common. It affects about <a href="https://www.abs.gov.au/statistics/health/health-conditions-and-risks/national-health-survey-state-and-territory-findings/latest-release">one-quarter</a> of Australians.</p> <p>Symptoms vary but <a href="https://www.allergy.org.au/patients/fast-facts/hay-fever-allergic-rhinitis">can include</a> sneezing, itchy eyes and a runny or blocked nose. Hay fever can also contribute to sinus and ear infections, snoring, poor sleep and asthma, as well as lower performance at school or work.</p> <p>But many people didn’t have hay fever as a child, and only develop symptoms as a teenager or adult.</p> <p>Here’s how a combination of genetics, hormones and the environment can lead to people developing hay fever later in life.</p> <h2>Remind me, what is hay fever?</h2> <p>Hay fever is caused by the nose, eyes and throat coming into contact with a substance to which a person is allergic, known as an allergen.</p> <p>Common sources of outside allergens include airborne grass, weed or tree pollen, and mould spores. Pollen allergens can be carried indoors on clothes, and through open windows and doors.</p> <p>Depending on where you live, you may be exposed to a range of pollen types across the pollen season, but grass pollen is the most common trigger of hay fever. In <a href="https://www.sciencedirect.com/science/article/abs/pii/S0013935122010891?via%3Dihub">some regions</a> the grass pollen season can extend from spring well into summer and autumn.</p> <h2>How does hay fever start?</h2> <p>Hay fever symptoms most commonly start in adolescence or young adulthood. <a href="http://dx.doi.org/10.2147/JAA.S170285">One study</a> found 7% of children aged six had hay fever, but that grew to 44% of adults aged 24.</p> <p>Before anyone has hay fever symptoms, their immune system has already been “sensitised” to specific allergens, often allergens of grass pollen. Exposure to these allergens means their immune system has made a particular type of antibody (known as IgE) against them.</p> <p>During repeated or prolonged exposure to an allergen source such as pollen, a person’s immune system may start to respond to another part of the same allergen, or another allergen within the pollen. Over time, these new allergic sensitisations can lead to development of <a href="https://www.jacionline.org/article/S0091-6749(12)00959-1/fulltext">hay fever</a> and possibly other conditions, such as allergic asthma.</p> <h2>Why do some people only develop hay fever as an adult?</h2> <p><strong>1. Environmental factors</strong></p> <p>Some people develop hay fever as an adult simply because they’ve had more time to become sensitised to specific allergens.</p> <p>Migration or moving to a new location can also change someone’s risk of developing hay fever. This may be due to exposure to different <a href="https://www.sciencedirect.com/science/article/abs/pii/S0048969722076884">pollens</a>, <a href="https://www.sciencedirect.com/science/article/pii/S0048969724060194?via%3Dihub">climate and weather</a>, green space <a href="https://onlinelibrary.wiley.com/doi/epdf/10.1111/all.14177">and/or</a> air quality factors.</p> <p>A number of studies <a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0105347">show</a> people who have migrated from low- and middle-income countries to higher-income countries may be at a higher risk of developing hay fever. This may due to local environmental conditions influencing expression of genes that regulate the immune system.</p> <p><strong>2. Hormonal factors</strong></p> <p><a href="http://dx.doi.org/10.1016/j.anai.2015.04.019">Hormonal changes</a> at puberty may also help drive the onset of hay fever. This may relate to sex hormones, such as oestrogen and progesterone, <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9392967/#R55">affecting</a> histamine levels, immune regulation, and the response of cells in the lining of the nose and lower airways.</p> <p><strong>3. Genetic factors</strong></p> <p><a href="https://www.nature.com/articles/ng.3985">Our genes</a> underpin <a href="https://www.ncbi.nlm.nih.gov/books/NBK542187/">our risk</a> of hay fever, and whether this and other related allergic disease persists.</p> <p>For instance, babies with the skin condition eczema (known as atopic dermatitis) have a <a href="https://www.annallergy.org/article/S1081-1206(21)00172-1/abstract">three times greater risk</a> of developing hay fever (and asthma) later in life.</p> <p>Having a food allergy in childhood is also a risk factor for developing hay fever later in life. In the case of a peanut allergy, that risk is more than <a href="https://pubmed.ncbi.nlm.nih.gov/27542726/">2.5 times greater</a>.</p> <h2>What are the best options for treatment?</h2> <p>Depending on where you live, avoiding allergen exposures can be difficult. But <a href="https://auspollen.edu.au/auspollensitesmap/">pollen count forecasts</a>, if available, can be useful. These can help you decide whether it’s best to stay inside to reduce your pollen exposure, or to take preventative medications.</p> <p>You may also find <a href="https://www.health.vic.gov.au/environmental-health/epidemic-thunderstorm-asthma-risk-forecast">alerts on thunderstorm asthma</a>, where pollens combine with specific weather conditions to trigger <a href="https://theconversation.com/we-could-see-thunderstorm-asthma-in-south-eastern-australia-this-season-heres-how-to-prepare-215793">breathing difficulties</a>.</p> <p>If you have mild, occasional hay fever symptoms, you can take non-drowsy antihistamines, which you can buy at the pharmacy.</p> <p>However, for more severe or persistent symptoms, intranasal steroid sprays, or an intranasal spray containing a steroid with antihistamine, are the <a href="https://theconversation.com/can-i-take-antihistamines-everyday-more-than-the-recommended-dose-what-if-im-pregnant-heres-what-the-research-says-228390">most effective treatments</a>. However, it is important to use these <a href="https://allergyfacts.org.au/allergic-rhinitis-treatment/">regularly and correctly</a>.</p> <p>Allergen immunotherapy, also known as desensitisation, is an <a href="https://onlinelibrary.wiley.com/doi/10.1111/all.13201">effective treatment</a> for people with severe hay fever symptoms that can reduce the need for medication and avoiding allergens.</p> <p>However, it involves a longer treatment course (about three years), usually with the supervision of an allergy or immunology specialist.</p> <h2>When should people see their doctor?</h2> <p>It is important to treat hay fever, because symptoms can significantly affect a <a href="https://bmjopen.bmj.com/content/10/11/e038870.long">person’s quality of life</a>. A GP can:</p> <ul> <li> <p>recommend treatments for hay fever and can guide you to use them correctly</p> </li> <li> <p>organise blood tests to confirm which allergen sensitisations (if any) are present, and whether these correlate with your symptoms</p> </li> <li> <p>screen for asthma, which commonly exists with hay fever, and may require other treatments</p> </li> <li> <p>arrange referrals to allergy or immunology specialists, if needed, for other tests, such as allergen skin prick testing, or to consider <a href="https://www.allergy.org.au/patients/allergy-treatments/allergen-immunotherapy">allergen immunotherapy</a> if symptoms are severe.</p> </li> </ul> <hr /> <p><em>More information about hay fever is available from the <a href="https://www.allergy.org.au/patients/fast-facts/hay-fever-allergic-rhinitis">Australasian Society of Clinical Immunology and Allergy</a> and <a href="https://allergyfacts.org.au/">Allergy &amp; Anaphylaxis Australia</a>.</em><img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/239409/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><em><a href="https://theconversation.com/profiles/janet-davies-103598">Janet Davies</a>, Respiratory Allergy Stream Co-chair, National Allergy Centre of Excellence; Professor and Head, Allergy Research Group, <a href="https://theconversation.com/institutions/queensland-university-of-technology-847">Queensland University of Technology</a> and <a href="https://theconversation.com/profiles/joy-lee-1480523">Joy Lee</a>, Respiratory Allergy Stream member, National Allergy Centre of Excellence; Associate Professor, School of Translational Medicine, <a href="https://theconversation.com/institutions/monash-university-1065">Monash University</a></em></p> <p><em>Image credits: Shutterstock </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/why-do-i-have-hay-fever-i-didnt-have-it-as-a-child-239409">original article</a>.</em></p>

Body

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Trying to lose weight? Here’s why your genetics could be just as important as your exercise regime

<p><em><a href="https://theconversation.com/profiles/henry-chung-1279176">Henry Chung</a>, <a href="https://theconversation.com/institutions/university-of-essex-1291">University of Essex</a>; <a href="https://theconversation.com/profiles/chris-mcmanus-2226445">Chris McManus</a>, <a href="https://theconversation.com/institutions/university-of-essex-1291">University of Essex</a>, and <a href="https://theconversation.com/profiles/sally-waterworth-2226444">Sally Waterworth</a>, <a href="https://theconversation.com/institutions/university-of-essex-1291">University of Essex</a></em></p> <p>Weight loss is a complicated process. There are so many factors involved including your diet, how much sleep you get each night and the kind of exercise you do. Our recent study shows that your <a href="https://www.tandfonline.com/doi/full/10.1080/02701367.2024.2404981">specific genetic profile</a> may also have a dominant effect on how well you lose weight through exercise. This might explain why two people who do an identical workout will see very different results.</p> <p>We identified 14 genes that appeared to significantly contribute to how much weight a person lost through running. This suggests that some of us have a natural talent when it comes to burning fat and losing weight through exercise.</p> <p>To conduct our study, we recruited 38 men and women born in the UK aged between 20 and 40. None of the participants regularly exercised at the start of the study. The group was randomly divided, with one half following a strict eight-week endurance programme that consisted of three weekly runs of 20-30 minutes.</p> <p>The other group acted as a <a href="https://www.britannica.com/science/control-group">control</a>. They were instructed to refrain from exercise and continue their daily routines as normal over this study period, including diet and lifestyle habits.</p> <p>All participants conducted a running test to see how far they could run in 12 minutes, and were weighed before and after the study period. This was to gauge their initial fitness level and see how much they changed over the duration of the study. <a href="https://www.nhs.uk/conditions/obesity/">Body mass index</a> (BMI) was also calculated.</p> <p>Additionally, a saliva sample was collected from each person with a <a href="https://muhdo.com/?gclid=Cj0KCQjwiIOmBhDjARIsAP6YhSUB3WI81JP4Q_snYLhh-SBVNeCJNy2m63C8bKJFvO-nJ5UsHuCCdqMaAhTeEALw_wcB">DNA test kit</a> at the end of the study to assess their unique genetic profile.</p> <p>It’s important to note that everyone who participated in the study had a similar body weight, BMI and aerobic fitness level at the start of the study. This is beneficial for <a href="https://casp-uk.net/news/homogeneity-in-research/">multiple reasons</a>. It meant everyone was at the same starting point, and some <a href="https://www.sciencedirect.com/topics/nursing-and-health-professions/confounding-variable">confounding variables</a> were already controlled for such as <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10128125/">fitness level</a>. This ultimately improves accuracy in interpreting the results.</p> <h2>Exercise genes</h2> <p>Everyone in the exercise group managed to lose weight – around 2kg on average. The control group, on the other hand, put on a little bit of weight.</p> <p>While a 2kg weight loss may not sound like a lot, it’s significant considering the exercise regime only lasted eight weeks and participants made no <a href="https://www.intechopen.com/chapters/87186">changes to their diet</a>.</p> <p>More significant, however, was the large variation in results among those that exercised – with an up to 10kg difference in weight loss between some of the participants. In fact, everyone within the exercise group improved at different rates.</p> <p>Since we controlled for factors such as the <a href="https://pubmed.ncbi.nlm.nih.gov/3529283/">intensity, duration and frequency</a> of the exercises and used participants who’d had a similar body weight and fitness level at the start of the study, this suggests that some people naturally benefited more than others from endurance training.</p> <p>When we looked at the genetic profiles of our participants, we found that differences in each person’s response to the exercise was strongly associated with their specific genetics.</p> <p>We showed there was a strong linear correlation between the amount of weight participants lost and 14 genes that have previously been shown to be associated with body weight, metabolism or <a href="https://www.nature.com/articles/s41380-018-0017-5">psychological conditions</a> that affect BMI. The greater number of these genes a participant had, the more weight they lost. Our results also revealed that around 63% of the variance in weight lost among participants were explained by the genes identified.</p> <p>For example, research has shown the <a href="https://www.ncbi.nlm.nih.gov/gene/10891">PPARGC1A gene</a> plays a role in metabolism and the <a href="https://link.springer.com/article/10.1007/S11033-020-05801-Z">use of fats for energy</a> while exercising. Our study found that all participants who lost more than 1.5kg from exercise had this gene. Those who lost less than this did not have this gene.</p> <p>Our findings align with what <a href="https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0249501&amp;s2=P875440273_1683331208925004155">previous studies</a> have shown. But while previous papers have only looked at the link between individual genes and weight loss, ours is the first to show that 14 different genes appear to work in combination to affect whether a person loses weight from endurance exercise.</p> <h2>Piece of the puzzle</h2> <p>Our study also suggests that while some people possess genes that make it easier for them to get fit and lose weight, people with these favourable genetics can only flourish if they actually exercise. In fact, our control group also had a number of these listed genes, but without exercise these genes could not activate, and so the participants did not lose any weight.</p> <p>While our study provides compelling findings, it’s not without limitations. Since we only looked at endurance-based exercise, it will be important for future studies to investigate whether there are similar links between weight loss, genetics and combinations of different types of training (such as a mixture of endurance and strength sessions into a training plan).</p> <p>It’s also worth mentioning that exercise is only <a href="https://www.who.int/activities/controlling-the-global-obesity-epidemic">one piece of the puzzle</a> when it comes to weight loss. So even if you have all 14 of these genes, you won’t lose any weight or get fit if you don’t exercise and maintain a healthy diet and sleep pattern.</p> <p>On the flip side, someone that only has a few of these favourable genes can still benefit if they exercise and are mindful of other aspects of their lifestyle.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/240506/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><em><a href="https://theconversation.com/profiles/henry-chung-1279176">Henry Chung</a>, Lecturer in Sport and Exercise Science, <a href="https://theconversation.com/institutions/university-of-essex-1291">University of Essex</a>; <a href="https://theconversation.com/profiles/chris-mcmanus-2226445">Chris McManus</a>, Lecturer, School of Sport, Rehabilitation and Exercise Sciences, <a href="https://theconversation.com/institutions/university-of-essex-1291">University of Essex</a>, and <a href="https://theconversation.com/profiles/sally-waterworth-2226444">Sally Waterworth</a>, Lecturer, School of Sport, Rehabilitation and Exercise Sciences, <a href="https://theconversation.com/institutions/university-of-essex-1291">University of Essex</a></em></p> <p><em>Image credits: Shutterstock </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/trying-to-lose-weight-heres-why-your-genetics-could-be-just-as-important-as-your-exercise-regime-240506">original article</a>.</em></p>

Body

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Cruise passengers share why you never leave your cabin balcony door open

<p>A couple on a cruise ship have learned the hard way why you should never leave the balcony door in your cruise cabin open and unattended for too long. </p> <p>While on a cruise around the US and docked in the port of Orlando in Florida, the couple took to TikTok to share their "horror" experience of when their cabin filled up with birds. </p> <p>In the video, they opened the door to their room and were swarmed by a flock of birds as they captioned the video, "When you go on a cruise and you come back to a bunch of (bird emoji) everywhere."</p> <p>"Felt like we were living in a horror movie scene. I can breathe now because I can (laugh)about it," the passenger added.</p> <div class="embed" style="font-size: 16px; box-sizing: inherit; margin: 0px; padding: 0px; border: 0px; vertical-align: baseline; outline: currentcolor !important;"><iframe class="embedly-embed" style="border-width: 0px; border-style: none; margin-right: 0px; margin-left: 0px; box-sizing: inherit; padding: 0px; vertical-align: baseline; width: 600px; max-width: 100%; outline: currentcolor !important;" title="tiktok embed" src="https://cdn.embedly.com/widgets/media.html?src=https%3A%2F%2Fwww.tiktok.com%2Fembed%2Fv2%2F7423175328480136491&amp;display_name=tiktok&amp;url=https%3A%2F%2Fwww.tiktok.com%2F%40greedy810%2Fvideo%2F7423175328480136491&amp;image=https%3A%2F%2Fp16-pu-sign-useast8.tiktokcdn-us.com%2Fobj%2Ftos-useast5-p-0068-tx%2FoM5JajVJBIUqbExUAiiApxIM8Af9zqBEi0wBCg%3Flk3s%3Db59d6b55%26x-expires%3D1729123200%26x-signature%3DC%252F8Xte%252FDJymZpHuGaa4Y8zX%252F6AA%253D%26shp%3Db59d6b55%26shcp%3D-&amp;key=59e3ae3acaa649a5a98672932445e203&amp;type=text%2Fhtml&amp;schema=tiktok" width="340" height="700" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen"></iframe></div> <p>The video was taken on the Carnival Freedom cruise ship in the USA, with the couple later posting another video of a room steward catching two birds in a cardboard box.</p> <p>Viewers in the comments were a mix of amused and horrified, as one person wrote, "You're not supposed to leave your balcony door open when you're gone."</p> <p>"You have a whole Alfred Hitchcock movie in your room," another commented, comparing the scene with the film,<em> The Birds</em>.</p> <p>Others speculated that the unusual behaviour of the birds could be impacted by the nearby Hurricane Milton. </p> <p><em>Image credits: TikTok</em></p>

Cruising

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‘Dark tourism’ is attracting visitors to war zones and sites of atrocities in Israel and Ukraine. Why?

<p><em><a href="https://theconversation.com/profiles/juliet-rogers-333488">Juliet Rogers</a>, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a></em></p> <p>There is a disturbing trend of people travelling to the sadder places of the world: sites of military attacks, war zones and disasters. Dark tourism is now a phenomenon, with <a href="https://dark-tourism.com/">its own website</a> and dedicated tour guides. People visit these places to mourn, or to remember and honour the dead. But sometimes they just want to look, and sometimes they want to delight in the pain of others.</p> <p>Of course, people have long visited places like the <a href="https://www.auschwitz.org/en/visiting/guided-tours-for-individual-visitors/">Auschwitz-Birkenau</a> Memorial, <a href="https://www.911memorial.org/911-faqs">the site of the Twin Towers</a> destroyed in the 9/11 attacks, <a href="https://www.robben-island.org.za/tour-types/">Robben Island Prison</a>, where Nelson Mandela and others spent many years, and more recently, <a href="https://chernobyl-tour.com/english/">the Chernobyl nuclear power plant</a>. But there are more recent destinations, connected to active wars and aggression.</p> <p>Since the <a href="https://www.newsweek.com/2024/10/11/one-year-hamas-oct-attack-israel-northern-border-1961816.html">Hamas military attacks</a> of October 7 2023, in which around 1,200 people were killed and more than 250 taken hostage, celebrities and tourists have visited the related sites of the Nova music festival and the Nir Oz Kibbutz in Palestine/Israel.</p> <p>The kibbutz tours, guided by former residents, allow people to view and be guided through houses of the dead, to be shown photographs and bullet holes. Sderot, the biggest city targeted by Hamas, is offering <a href="https://apnews.com/article/israel-gaza-hamas-oct-7-tourism-sderot-8b21f590c37fa6780bf9190d6bfb62b7">what it describes as “resilience tours”</a>, connecting tourists with October 7 survivors.</p> <p>Similar places are visited <a href="https://wartours.in.ua/2023/02/25/dark-tourism-in-ukraine/">in Ukraine</a>. The “popular” Donbas war tour, for instance, takes visitors to the front lines of the conflict and offers “a firsthand look at the impact of the war on the local population”, introducing them to displaced locals, soldiers and volunteer fighters. There’s also <a href="https://wartours.in.ua/en/">a Kyiv tour</a>, which takes in destroyed military equipment and what remains of missile strikes.</p> <h2>Solidarity tours</h2> <p>These tours have various names, but <a href="https://touringisrael.com/tour/october-7-solidarity-tour/">one Israeli company</a> calls them “solidarity tours”. The idea of solidarity lessens the presumption of voyeurism, or the accusation of ghoulish enjoyment of pain or suffering. It suggests an affinity with those who have died or those who have lost loved ones.</p> <p>But solidarity is a political affiliation too. These tours are not only therapeutic. They are not only about “bearing witness”, as many guides and visitors attest. They are also about solidarity with the struggle.</p> <p>What is this struggle? Genocide scholar Dirk Moses <a href="https://www.bostonreview.net/articles/more-than-genocide/">has written thoughtfully</a> on this after October 7. Colonial states seek not just security, but “permanent security”. This makes them hyper-defensive of their borders. Israel was created as a nation <a href="https://www.pbs.org/wgbh/americanexperience/features/truman-israel/">by the newly formed United Nations</a> in 1947, two years after the end of World War II and in the shadow of the Holocaust: it was an inevitable product of the <a href="https://theconversation.com/a-century-on-the-balfour-declaration-still-shapes-palestinians-everyday-lives-86662">Balfour Declaration</a> (1917) that carved up the Middle East.</p> <p>The creation of the Israeli state turned relationships between Palestinians and Jewish people into borders to navigate and police, producing a line of security to defend.</p> <p>These borders have long been sites of humiliation and denigration toward Palestinians, whose homelands have been now occupied for many generations. Israeli Defense Force soldiers themselves <a href="https://www.breakingthesilence.org.il/testimonies/videos/29690">have spoken passionately</a> about the brutal and arbitrary violence that occurs there, <a href="https://link.springer.com/article/10.1007/s10978-016-9195-y">including “creative punishments”</a>. These were the borders that protected the sites targeted by Hamas. The Nova music festival was five kilometres from one of these borders.</p> <p>For many Israelis, any breach of those borders, any sense of loss of control, courts the terrors of the past. It raises the spectre of the Holocaust: the destruction of European Jewry, the loss of sovereignty over family, home, and over life, the loss of millions of lives, again. For Israel, as for any colonial state, security is a permanent aspiration, in Moses’s terms. The stakes are high.</p> <p>Dark tourism, seen in this light, is not only solidarity with those who have lost loved ones on October 7. It is solidarity with the border, with those who have lost that security. And that loss is profound, traumatic and, at least psychologically, can provoke violent reactions in an effort to have the borders – geographical and psychological – reasserted.</p> <h2>‘I stand with you’</h2> <p>Transitional justice mechanisms such as the truth commissions in <a href="https://www.justice.gov.za/trc/">South Africa</a>, <a href="https://www.usip.org/publications/2002/02/truth-commission-timor-leste-east-timor">Timor Leste</a> and <a href="https://www.usip.org/publications/1983/12/truth-commission-argentina">Argentina</a> apply legal frameworks to heal nations from the trauma of crimes against humanity. These mechanisms are one choice after experiences of mass violence. Ironically, their catchphrase is <em>Nunca Mas</em> (never again), which was the title of the 1984 report by Argentina’s <a href="https://www.usip.org/publications/1983/12/truth-commission-argentina">National Commission on the Dissappeared</a>.</p> <p>Permanent security of the kind Israel is seeking is another choice – and its catchphrase might well be the same. Never again will Israel’s borders be breached, never again will Jewish life be subjected to mass destruction with impunity.</p> <p>This is what solidarity can mean: not only grieving alongside those who have suffered, but attachment to an identity and borders, which are reinforced through participation. “I stand with you” is perhaps what the visits are for. I stand with you on this land, at this time, and perhaps for all time.</p> <p>But stand beside you in what now? In grief, yes. But also in rage, in pain, in vengeance and, for some, in making Israel great again.</p> <p>The hashtag #standwithus accompanies some calls for visits to the October 7 sites, for this form of tourism. It means stand with us at Israel’s border. From there, you can hear the sound of bombs falling: <a href="https://inews.co.uk/news/world/israel-7-october-massacre-sites-dark-draw-tourists-3101715">in Gaza</a>, a place where no solidarity tour will go. Yet.</p> <h2>Memorials, grief and understanding</h2> <p>Dark tourism is not always for those associated with the events. Some people visit sites of disaster and loss because they want to understand the greater sadnesses of the world and its formidable brutalities. Some want to show their respect to others. It’s not dissimilar to visiting memorials.</p> <p>Memorials collate the disparate parts of grief and reflect it as public memory. They offer fragments of historical pain that can be borne in more than one mind, to create a shared reality.</p> <p>In Pretoria, South Africa, a memorial called <a href="https://www.freedompark.co.za/">Freedom Park</a> depicts the names of every person who died in every war fought in South Africa, as well as those South Africans who died in the world wars. The names are written on a wall that circles the park. It is impossibly long and circular, and you cannot measure it with your own stride. It is disorientating and interminable, like grief.</p> <p>In this memorial-metaphor, you are unable to comprehend – and at the same time are awash with – a history of loss, represented by the names. The walls contain you, and then they cannot. Grief and even solidarity is not always about comprehension or containment. Sometimes it is about proximity. Sometimes, it is about sitting with not knowing. Sometimes, it is about solidarity with something that cannot be made sense of.</p> <p>Trauma, psychoanalysis tells us, is an experience of what we cannot assimilate. If you sit in proximity to people and places where traumatic events have happened, you can learn something. If you see the bullet holes at a site of loss, you can comprehend something. But not everything. Bullet holes in a wall are the very definition of a partial story.</p> <p>People visit memorials and sites of loss to learn and to unlearn. Dark tourism has this quality.</p> <h2>Obscenity of understanding</h2> <p>In my field, criminology and trauma studies, we try to understand why people do the violent things they do. Holocaust filmmaker and commentator <a href="https://www.jstor.org/stable/26303924">Claude Lanzmann has said</a> we must not indulge in what he calls the “obscenity of the project of understanding” in relation to Nazi perpetrators of the Holocaust.</p> <p>He regards curiosity about the minds of perpetrators and the rationale for violence as a violence in itself. Of the Holocaust, he says you cannot ask “Why were the Jews killed?”. It is the result that matters. But it is also the reaction that matters. The state of Israel itself – permanent security and its attendant horrors – is part of that reaction.</p> <p>But understanding can influence the reaction to violence, and contribute something to the promise of Never Again. Understanding allows us to hold more than one story in mind. It allows us to do more than <a href="https://www.ochaopt.org/">count the more than 1,200 killed</a> in Israel, or the 41,689 (plus) Palestinians killed in Gaza. Bodies are always more than numbers. But explanation is one thing, justification another. Justification is best left to the courts, international or otherwise, after the violence has ceased.</p> <p>It is hard to hear about dark tourism in Israel/Palestine and in Ukraine and try to understand it. It is hard not to condemn the tourists. But we are quick to condemn at this time – and even quicker to demand others do the same. Perhaps we should not be so righteous, and we should resist the urge to easily condemn, from our homes in what <a href="https://www.mup.com.au/books/after-mabo-paperback-softback">Tim Rowse has called</a> the “ongoing colonial encounter sometimes called ‘Australia’”.</p> <p>Indigenous people here speak of the lack of memorials on this land. But every bordered property is a site for dark tourism in Australia. Dark tourism is the effort to seek out destinations of violence and devastation, but it is not hard to see genocide from our front door in this country.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/240119/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><a href="https://theconversation.com/profiles/juliet-rogers-333488"><em>Juliet Rogers</em></a><em>, Associate Professor Criminology, <a href="https://theconversation.com/institutions/the-university-of-melbourne-722">The University of Melbourne</a></em></p> <p><em>Image credits: Shutterstock </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/dark-tourism-is-attracting-visitors-to-war-zones-and-sites-of-atrocities-in-israel-and-ukraine-why-240119">original article</a>.</em></p>

Travel Trouble

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Why Lisa Marie Presley kept son's body at home for two months after his death

<p>Lisa Marie Presley was so heartbroken by the loss of her only son, Benjamin Keough, at just 27-years-old in 2020, that she kept his body in her home for two months after his death. </p> <p>The star revealed this in her memoir <em>From Here to the Great Unknown</em>, which was finished by her daughter Riley Keough after the 54-year-old’s death in January 2023, according to <em>Page Six</em>. </p> <p>In the book, Lisa Marie opened up about the extent of her grief, saying that she had to force herself to "fight" to stay alive for her remaining children, and one of the ways she coped was not saying goodbye to Benjamin right away. </p> <p>“My house has a separate casitas bedroom and I kept Ben Ben in there for two months. There is no law in the state of California that you have to bury someone immediately,” Lisa Marie wrote. </p> <p>“I found a very empathetic funeral homeowner. I told her that having my dad in the house after he died was incredibly helpful because I could go and spend time with him and talk to him. She said, ‘We’ll bring Ben Ben to you.’”</p> <p>The room was kept at around 12 degrees celsius to preserve his body, and the star continued saying that she felt “fortunate that there was a way that I could still parent him, delay it a bit longer so that I could become okay with laying him to rest.”</p> <p>Another reason why she decided to keep his body was because she wasn't sure whether to bury him in Hawaii or at Graceland,  the Memphis estate where Elvis died and is buried.</p> <p>At one point, Riley and Lisa Marie decided to honour Benjamin by getting matching tattoos of his name, which was inscribed in the same place where Benjamin had his tattoos.</p> <p>Riley recalled the odd moment Lisa Marie brought in the tattoo artist into her home. </p> <p>“Lisa Marie Presley had just asked this poor man to look at the body of her dead son, which happened to be right next to us in the casitas. I’ve had an extremely absurd life, but this moment is in the top five," Riley wrote in the memoir. </p> <p>Lisa Marie acknowledged that it was odd, and soon after the tattoo day, they "got the vibe" that Benjamin wanted to be laid to rest. </p> <p>“Even my mum said that she could feel him talking to her, saying ‘This is insane, Mum, what are you doing? What the f**k!”</p> <p>The family held a funeral for Benjamin in Malibu, and he was buried at Graceland alongside Elvis, and now Lisa Marie as well. </p> <p><em>Image: Copetti/Photofab/ Shutterstock Editorial</em></p> <p> </p>

Family & Pets

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Why are we seeing more pandemics? Our impact on the planet has a lot to do with it

<p><em><a href="https://theconversation.com/profiles/olga-anikeeva-1522907">Olga Anikeeva</a>, <a href="https://theconversation.com/institutions/university-of-adelaide-1119">University of Adelaide</a>; <a href="https://theconversation.com/profiles/jessica-stanhope-1129888">Jessica Stanhope</a>, <a href="https://theconversation.com/institutions/university-of-adelaide-1119">University of Adelaide</a>; <a href="https://theconversation.com/profiles/peng-bi-1522908">Peng Bi</a>, <a href="https://theconversation.com/institutions/university-of-adelaide-1119">University of Adelaide</a>, and <a href="https://theconversation.com/profiles/philip-weinstein-882901">Philip Weinstein</a>, <a href="https://theconversation.com/institutions/university-of-adelaide-1119">University of Adelaide</a></em></p> <p>Pandemics – the global spread of infectious diseases – seem to be making a comeback. In the Middle Ages we had the Black Death (plague), and after the first world war we had the Spanish flu. Tens of millions of people <a href="https://assets.cureus.com/uploads/review_article/pdf/69273/20211019-25919-an4y6h.pdf">died from these diseases</a>.</p> <p>Then science began to <a href="https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2011.00053/full">get the upper hand</a>, with vaccination eradicating smallpox, and polio nearly so. Antibiotics became available to treat bacterial infections, and more recently antivirals as well.</p> <p>But in recent years and decades pandemics <a href="https://assets.cureus.com/uploads/review_article/pdf/69273/20211019-25919-an4y6h.pdf">seem to be returning</a>. In the 1980s we had HIV/AIDS, then several flu pandemics, SARS, and now COVID (no, COVID isn’t over).</p> <p>So why is this happening, and is there anything we can do to avert future pandemics?</p> <h2>Unbalanced ecosystems</h2> <p>Healthy, stable ecosystems provide services that keep us healthy, such as supplying food and clean water, producing oxygen, and making green spaces available for our <a href="https://www.millenniumassessment.org/documents/document.356.aspx.pdf">recreation and wellbeing</a>.</p> <p>Another key service ecosystems provide is disease regulation. When nature is in balance – with predators controlling herbivore populations, and herbivores controlling plant growth – it’s more difficult for pathogens to emerge in a way that causes pandemics.</p> <p>But when human activities <a href="https://books.google.com.au/books?hl=en&amp;lr=&amp;id=rWozz12K1aUC&amp;oi=fnd&amp;pg=PP15&amp;dq=planetary+overload&amp;ots=c9mWuESUXN&amp;sig=-1iP3uSOWazvC2OFLk4vginWbQQ&amp;redir_esc=y#v=onepage&amp;q=planetary%20overload&amp;f=false">disrupt and unbalance ecosystems</a> – such as by way of climate change and biodiversity loss – <a href="https://academic.oup.com/bioscience/article/58/8/756/381265">things go wrong</a>.</p> <p>For example, climate change affects the number and distribution of plants and animals. Mosquitoes that carry diseases can move from the tropics into what used to be temperate climates as the planet warms, and may infect more people in the months that are normally disease free.</p> <p>We’ve studied the relationship between weather and dengue fever transmission in China, and <a href="https://pubmed.ncbi.nlm.nih.gov/27883970/">our findings</a> support the same conclusion reached by <a href="https://journals.plos.org/plosntds/article?id=10.1371/journal.pntd.0008118">many other studies</a>: climate change is likely to put more people at risk of dengue.</p> <p>Biodiversity loss can have similar effects by disrupting food chains. When ranchers cleared forests in <a href="https://www.mdpi.com/1999-4915/6/5/1911">South America</a> for their cattle to graze in the first half of the 20th century, tiny forest-dwelling, blood-feeding vampire bats suddenly had a smörgåsbord of large sedentary animals to feed on.</p> <p>While vampire bats had previously been kept in check by the limited availability of food and the presence of predators in the balanced <a href="https://cir.nii.ac.jp/crid/1130000797648461952">forest ecosystem</a>, numbers of this species exploded in South America.</p> <p>These bats carry the rabies virus, which causes <a href="https://www.who.int/news-room/fact-sheets/detail/rabies">lethal brain infections</a> in people who are bitten. Although the number of deaths from bat-borne rabies has now fallen dramatically due to vaccination programs in South America, rabies caused by bites from other animals still <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3168224/">poses a global threat</a>.</p> <p>As urban and agricultural development impinges on natural ecosystems, there are increasing opportunities for humans and domestic animals to become infected with pathogens that would normally only be seen in wildlife – particularly when people hunt and eat animals from the wild.</p> <p>The HIV virus, for example, <a href="https://www.tandfonline.com/doi/abs/10.1076/jmep.27.2.163.2992">first entered human populations</a> from apes that were slaughtered for food in Africa, and then spread globally through travel and trade.</p> <p>Meanwhile, bats are thought to be <a href="https://www.sciencedirect.com/science/article/pii/S0006291X20319434">the original reservoir</a> for the virus that caused the COVID pandemic, which has killed more than <a href="https://www.worldometers.info/coronavirus/">7 million people</a> to date.</p> <p>Ultimately, until we effectively address the unsustainable impact we are having on our planet, pandemics will continue to occur.</p> <h2>Targeting the ultimate causes</h2> <p>Factors such as climate change, biodiversity loss and other global challenges are the ultimate (high level) cause of pandemics. Meanwhile, increased contact between humans, domestic animals and wildlife is the proximate (immediate) cause.</p> <p>In the case of HIV, while direct contact with the infected blood of apes was the proximate cause, the apes were only being slaughtered because large numbers of very poor people were hungry – an ultimate cause.</p> <p>The distinction between <a href="https://link.springer.com/article/10.1007/BF02207379">ultimate causes and proximate causes</a> is important, because we often deal only with proximate causes. For example, people may smoke because of stress or social pressure (ultimate causes of getting lung cancer), but it’s the toxins in the smoke that cause cancer (proximate cause).</p> <p>Generally, health services are only concerned with stopping people from smoking – and with treating the illness that results – not with removing the drivers that lead them to smoke in the first place.</p> <p>Similarly, we address pandemics with lockdowns, mask wearing, social distancing and vaccinations – all measures which seek to stop the spread of the virus. But we pay less attention to addressing the ultimate causes of pandemics – until perhaps very recently.</p> <h2>A planetary health approach</h2> <p>There’s a growing awareness of the importance of adopting a “planetary health” approach to improve human health. This <a href="https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(15)60901-1/fulltext?nr_email_referer=1">concept</a> is based on the understanding that human health and human civilisation depend on flourishing natural systems, and the wise stewardship of those natural systems.</p> <p>With this approach, ultimate drivers like climate change and biodiversity loss would be prioritised in preventing future pandemics, at the same time as working with experts from many different disciplines to deal with the proximate causes, thereby reducing the risk overall.</p> <p>The planetary health approach has the benefit of improving both the health of the environment and human health concurrently. We are heartened by the increased uptake of teaching planetary health concepts across the environmental sciences, humanities and health sciences in many universities.</p> <p>As climate change, biodiversity loss, population displacements, travel and trade continue to increase the risk of disease outbreaks, it’s vital that the planetary stewards of the future have a better understanding of how to tackle the ultimate causes that drive pandemics.</p> <p><em>This article is the first in a series on the next pandemic.</em><img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/226827/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><a href="https://theconversation.com/profiles/olga-anikeeva-1522907"><em>Olga Anikeeva</em></a><em>, Research Fellow, School of Public Health, <a href="https://theconversation.com/institutions/university-of-adelaide-1119">University of Adelaide</a>; <a href="https://theconversation.com/profiles/jessica-stanhope-1129888">Jessica Stanhope</a>, Lecturer, School of Allied Health Science and Practice, <a href="https://theconversation.com/institutions/university-of-adelaide-1119">University of Adelaide</a>; <a href="https://theconversation.com/profiles/peng-bi-1522908">Peng Bi</a>, Professor, School of Public Health, <a href="https://theconversation.com/institutions/university-of-adelaide-1119">University of Adelaide</a>, and <a href="https://theconversation.com/profiles/philip-weinstein-882901">Philip Weinstein</a>, Professorial Research Fellow, School of Public Health, <a href="https://theconversation.com/institutions/university-of-adelaide-1119">University of Adelaide</a></em></p> <p><em>Image credits: Shutterstock </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/why-are-we-seeing-more-pandemics-our-impact-on-the-planet-has-a-lot-to-do-with-it-226827">original article</a>.</em></p>

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The power of nostalgia: why it’s healthy for you to keep returning to your favourite TV series

<p><em><a href="https://theconversation.com/profiles/anjum-naweed-1644852">Anjum Naweed</a>, <a href="https://theconversation.com/institutions/cquniversity-australia-2140">CQUniversity Australia</a></em></p> <p>How often do you find yourself hitting “play” on an old favourite, reliving the same TV episodes you’ve seen before – or even know by heart?</p> <p>I’m a chronic re-watcher. Episodes of sitcoms like Blackadder (1983–89), Brooklyn Nine-Nine (2013–21), Doc Martin (2004–22) and The Office US (2005–13) – a literal lifetime of TV favourites – are usually dependable in times of stress.</p> <p>But recently, ahead of an exceptionally challenging deadline, I found myself switching up my viewing. Instead of the escapist comedy I normally return to, I switched to Breaking Bad (2008–13), a nail-biting thriller with a complex reverse hero narrative – and immediately felt at ease.</p> <p>What do our re-viewing choices tell us about ourselves? And is it OK that we keep returning to old favourites?</p> <h2>Fictional stories, real relationships</h2> <p>Although one-sided, the <a href="https://theconversation.com/neighbours-vs-friends-we-found-out-which-beloved-show-fans-mourned-more-when-it-ended-212843">relationships</a> we form with characters in our favourite TV shows can feel very real. They can increase a sense of belonging, reduce loneliness – and keep pulling us back in.</p> <p>When we rewatch, we feel sadness, wistful joy and longing, all at the same time. We call the sum of these contradictions <a href="https://www.researchgate.net/profile/Ekaterina-Kalinina-2/publication/313531584_What_Do_We_Talk_About_When_We_Talk_About_Media_and_Nostalgia/links/589d9aa592851c599c9bb12c/What-Do-We-Talk-About-When-We-Talk-About-Media-and-Nostalgia.pdf">nostalgia</a>.</p> <p>Originally coined in the 17th century to describe Swiss soldiers impaired by homesickness, psychologists now understand nostalgic reflection as a <a href="https://journals.sagepub.com/doi/abs/10.1037/gpr0000109">shield</a> against anxiety and threat, <a href="https://www.sciencedirect.com/science/article/pii/S2352250X2200269X">promoting</a> a sense of wellbeing.</p> <p>We all rely on fiction to transport us from our own lives and realities. Nostalgia viewing extends the experience, taking us somewhere we already know and love.</p> <h2>Bingeing nostalgia</h2> <p>The COVID-19 pandemic triggered a wave of nostalgia viewing.</p> <p>In the United States, audience analyst <a href="https://variety.com/2024/tv/news/nielsen-2023-streaming-report-suits-the-office-record-1235890306/">Nielsen</a> found the most streamed show of 2020 was the American version of The Office, seven years after it ended its television run. A <a href="https://www.radiotimes.com/tv/drama/watching-tv-and-movies-favourite-lockdown-exclusive/">Radio Times survey</a> found 64% of respondents said they had rewatched a TV series during lockdown, with 43% watching nostalgic shows.</p> <p>We were suddenly thrown into an unfamiliar situation and in a perpetual state of unease. We had more time on our hands, but also wanted to <a href="https://www.tandfonline.com/doi/abs/10.1080/00221309.2020.1867494">feel safe</a>. Tuning into familiar content on television offered an <a href="https://theconversation.com/how-coronavirus-might-have-changed-tv-viewing-habits-for-good-new-research-146040">escape</a> – a sanctuary from the realities of futures unknown.</p> <figure><iframe src="https://www.youtube.com/embed/g4IQjUpTNVU?wmode=transparent&amp;start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> <p>Revisiting connections with TV characters gave us a sense of control. We knew what lay in their futures, and the calm and <a href="https://www.news24.com/life/wellness/body/condition-centres/depression/anxiety-disorders/the-psychology-behind-why-you-like-to-rewatch-your-favourite-movie-or-series-during-the-pandemic-20200814-2">predictability</a> of their arcs balanced the uncertainty in ours.</p> <h2>Nostalgia as a plot point</h2> <p>Nostalgia has been in the DNA of television since some of the earliest programming decisions.</p> <p>Every December, broadcasters scramble to screen one of the many versions of A Christmas Carol, Charles Dickens’ much-retold and family-friendly ghost story, which also features nostalgia as a plot device.</p> <p>First screened on live TV in New York City <a href="https://en.wikipedia.org/wiki/Adaptations_of_A_Christmas_Carol">in 1944</a>, on the still-new technology, the broadcast continued a 100-year-old tradition of the classic appearing on stage and cinema screens.</p> <figure><iframe src="https://www.youtube.com/embed/pNo-Q0IDJi0?wmode=transparent&amp;start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> <p>Settling in around the telly for A Christmas Carol connects us to the holiday period and a heartwarming metamorphosis. Ebeneezer Scrooge revisits long-lost versions of himself and turns from villain to hero and our old friend in a single night.</p> <p>For viewers, revisiting this character at the same time every year can also reconnect us with our past selves and create a predictable pattern, even in the frenzy of the silly season.</p> <h2>Real-world (re)connection</h2> <p>The neuroscience of nostalgic experiences is clear. Nostalgia arises when current sensory data – like what you watch on TV – matches past emotions and experiences.</p> <p>It triggers a release of dopamine, a <a href="https://academic.oup.com/scan/article/17/12/1131/6585517">reward-system</a> neurotransmitter involved in emotion and motivation. Encountering nostalgia is like autoloading and hitting play on <a href="https://nwnoggin.org/2023/03/30/the-neuroscience-of-nostalgia/">past positive experiences</a>, elevating desire and regulating mood.</p> <p>So, nostalgia draws on experiences encoded in memory. The TV shows we choose to rewatch reflect our values, our tastes, and the phases of life we have gone through.</p> <p>Perhaps this is a reason why reboots of our favourite shows sometimes fall flat, and ultimately set fans up for disappointment.</p> <p>I still remember the crushing disillusion I felt while watching the reboot of Knight Rider (2008–09). I immediately turned to social media to find a community around my nostalgic setback</p> <h2>Stronger through stress</h2> <p>Going back to my challenging deadline, what was it about the nostalgic experience of watching Breaking Bad that made it different?</p> <p>Breaking Bad evokes a particular phase in my life. I binged the first three seasons when writing up my PhD thesis. Walter White’s rise and fall journey towards redemption is enmeshed in the nostalgia of a difficult time I made it through.</p> <figure><iframe src="https://www.youtube.com/embed/HhesaQXLuRY?wmode=transparent&amp;start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> <p>The predictability of Walter White’s arc on second viewing was an unlikely haven. It’s escalating high-stakes drama mirrored my rising stress, while connecting me to who I was when I first enjoyed the show.</p> <p>The result? “Dread mode” switched off – even as my anti-heroes marched again to their dire cinematic comeuppance. Reality, past and present, could be worse.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/237753/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><em><a href="https://theconversation.com/profiles/anjum-naweed-1644852">Anjum Naweed</a>, Professor of Human Factors, <a href="https://theconversation.com/institutions/cquniversity-australia-2140">CQUniversity Australia</a></em></p> <p><em>Image credits: Shutterstock </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/the-power-of-nostalgia-why-its-healthy-for-you-to-keep-returning-to-your-favourite-tv-series-237753">original article</a>.</em></p>

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Yes, you do need to clean your tongue. Here’s how and why

<p><em><a href="https://theconversation.com/profiles/dileep-sharma-1562149">Dileep Sharma</a>, <a href="https://theconversation.com/institutions/university-of-newcastle-1060">University of Newcastle</a></em></p> <p>Has your doctor asked you to stick out your tongue and say “aaah”? While the GP assesses your throat, they’re also checking out your tongue, which can reveal a lot about your health.</p> <p>The doctor will look for any changes in the tongue’s surface or how it moves. This can indicate issues in the mouth itself, as well as the state of your overall health and immunity.</p> <p>But there’s no need to wait for a trip to the doctor. Cleaning your tongue <a href="https://pubmed.ncbi.nlm.nih.gov/21797979/">twice a day</a> can help you check how your tongue looks and feels – and improve your breath.</p> <h2>What does a healthy tongue look like?</h2> <p>Our tongue plays a crucial role in eating, talking and other vital functions. It is not a single muscle but rather a muscular organ, made up of eight muscle pairs that help it move.</p> <p>The surface of the tongue is covered by tiny bumps that can be seen and felt, called papillae, giving it a rough surface.</p> <p>These are sometimes mistaken for taste buds – they’re not. Of your 200,000-300,000 papillae, only a small fraction contain taste buds. Adults have up to 10,000 taste buds and they are invisible to the naked eye, concentrated mainly on the tip, sides and back of the tongue.</p> <figure><iframe src="https://www.youtube.com/embed/uYvpUl7li9Y?wmode=transparent&amp;start=0" width="440" height="260" frameborder="0" allowfullscreen="allowfullscreen"></iframe></figure> <p>A healthy tongue is pink although the shade may vary from person to person, ranging from dark to light <a href="https://my.clevelandclinic.org/health/symptoms/24600-tongue-color">pink</a>.</p> <p>A small amount of white coating can be normal. But significant changes or discolouration may indicate a disease or <a href="https://www.healthline.com/health/tongue-problems-2">other issues</a>.</p> <h2>How should I clean my tongue?</h2> <p>Cleaning your tongue only takes around 10-15 seconds, but it’s is a good way to check in with your health and can easily be incorporated into your teeth brushing routine.</p> <p>You can clean your tongue by gently scrubbing it with a regular toothbrush. This dislodges any food debris and helps prevent microbes building up on its rough textured surface.</p> <p>Or you can use a special <a href="https://pubmed.ncbi.nlm.nih.gov/26865433/">tongue scraper</a>. These curved instruments are made of metal or plastic, and can be used alone or accompanied by scrubbing with your toothbrush.</p> <p>Your co-workers will thank you as well – cleaning your tongue can help combat <a href="https://pubmed.ncbi.nlm.nih.gov/24165218/">stinky breath</a>. Tongue scrapers are particularly <a href="https://pubmed.ncbi.nlm.nih.gov/15341360/">effective</a> at removing the bacteria that commonly causes bad breath, hidden in the tongue’s surface.</p> <h2>What’s that stuff on my tongue?</h2> <p>So, you’re checking your tongue during your twice-daily clean, and you notice something different. Noting these signs is the first step. If you observe any changes and they worry you, you should talk to your GP.</p> <p>Here’s what your tongue might be telling you.</p> <p><em><strong>White coating</strong></em></p> <p>Developing a white coating on the tongue’s surface is one of the <a href="https://pubmed.ncbi.nlm.nih.gov/31309703/">most common changes</a> in healthy people. This can happen if you stop brushing or scraping the tongue, even for a few days.</p> <p>In this case, food debris and microbes have accumulated and caused plaque. Gentle scrubbing or scraping will remove this coating. Removing microbes reduces the risk of chronic infections, which can be transferred to other organs and cause <a href="https://www.nature.com/articles/s41368-022-00163-7">serious illnesses</a>.</p> <p><em><strong>Yellow coating</strong></em></p> <p>This may indicate oral thrush, a <a href="https://www.nidirect.gov.uk/conditions/oral-thrush-adults">fungal infection</a> that leaves a raw surface when scrubbed.</p> <p>Oral thrush is <a href="https://www.aafp.org/pubs/afp/issues/2008/1001/p845.html">common</a> in elderly people who take multiple medications or have diabetes. It can also affect children and young adults after an illness, due to the temporary <a href="https://pubmed.ncbi.nlm.nih.gov/7636666/">suppression of the immune system</a> or <a href="https://www.stanfordchildrens.org/en/topic/default?id=candidiasis-in-children-90-P01888">antibiotic</a> use.</p> <p>If you have oral thrush, a doctor will usually prescribe a course of anti-fungal medication for at least a month.</p> <p><em><strong>Black coating</strong></em></p> <p>Smoking or consuming a lot of strong-coloured food and drink – such as tea and coffee, or dishes with tumeric – can cause a furry appearance. This is known as a <a href="https://my.clevelandclinic.org/health/diseases/17918-black-hairy-tongue">black hairy tongue</a>. It’s not hair, but an overgrowth of bacteria which may indicate poor oral hygiene.</p> <p><em><strong>Pink patches</strong></em></p> <p>Pink patches surrounded by a white border can make your tongue look like a map – this is called “<a href="https://www.mayoclinic.org/diseases-conditions/geographic-tongue/symptoms-causes/syc-20354396">geographic tongue</a>”. It’s <a href="https://www.mayoclinic.org/diseases-conditions/geographic-tongue/diagnosis-treatment/drc-20354401">not known</a> what causes this condition, which usually doesn’t require treatment.</p> <p><em><strong>Pain and inflammation</strong></em></p> <p>A red, sore tongue can indicate a <a href="https://medlineplus.gov/ency/article/003047.htm">range of issues</a>, including:</p> <ul> <li>nutritional deficiencies such as folic acid or vitamin B12</li> <li>diseases including <a href="https://my.clevelandclinic.org/health/diseases/22377-pernicious-anemia">pernicious</a> anaemia, <a href="https://www.rch.org.au/kidsinfo/fact_sheets/kawasaki_disease/">Kawasaki disease</a> and <a href="https://www.childrens.health.qld.gov.au/health-a-to-z/scarlet-fever">scarlet fever</a></li> <li>inflammation known as <a href="https://www.ncbi.nlm.nih.gov/books/NBK560627/">glossitis</a></li> <li>injury from hot beverages or food</li> <li>ulcers, including cold sores and canker sores</li> <li><a href="https://www.nidcr.nih.gov/health-info/burning-mouth">burning mouth syndrome</a>.</li> </ul> <p><em><strong>Dryness</strong></em></p> <p>Many medications can cause dry mouth, also called xerostomia. These include antidepressants, anti-psychotics, muscle relaxants, pain killers, antihistamines and diuretics. If your mouth is very dry, it may hurt.</p> <h2>What about cancer?</h2> <p>White or red patches on the tongue that can’t be scraped off, are long-standing or growing need to checked out by a dental professional as soon as possible, as do painless ulcers. These are at a <a href="https://oralcancerfoundation.org/cdc/premalignant-lesions/">higher risk</a> of turning into cancer, compared to other parts of the mouth.</p> <p><a href="https://pubmed.ncbi.nlm.nih.gov/36852511/">Oral cancers</a> have low survival rates due to delayed detection – and they are on the rise. So <a href="https://youtu.be/Y6QkKhEjS5M">checking your tongue</a> for changes in colour, texture, sore spots or ulcers is <a href="https://www.dhsv.org.au/oral-health-programs/oral-cancer-screening-and-prevention">critical</a>.<img style="border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important;" src="https://counter.theconversation.com/content/237130/count.gif?distributor=republish-lightbox-basic" alt="The Conversation" width="1" height="1" /></p> <p><em><a href="https://theconversation.com/profiles/dileep-sharma-1562149">Dileep Sharma</a>, Professor and Head of Discipline - Oral Health, <a href="https://theconversation.com/institutions/university-of-newcastle-1060">University of Newcastle</a></em></p> <p><em>Image credits: Shutterstock </em></p> <p><em>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/yes-you-do-need-to-clean-your-tongue-heres-how-and-why-237130">original article</a>.</em></p>

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