New Scientist - Health New Scientist - Health https://www.newscientist.com/ New Scientist - Health https://www.newscientist.com/build/images/ns-logo-scaled.ed2dc11a.png https://www.newscientist.com daily 1 Why tending your oral microbiome is the secret to a long, healthy life https://www.newscientist.com/article/mg26034711-800-why-tending-your-oral-microbiome-is-the-secret-to-a-long-healthy-life/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 27 Dec 2023 17:00:00 +0000 There are untold legions of viruses, fungi and bacteria living in your mouth. It now seems we can stave off conditions from Alzheimer's disease to cancer by keeping them in a healthy balance mg26034711-800-why-tending-your-oral-microbiome-is-the-secret-to-a-long-healthy-life|2409504 Premature babies could be treated with an artificial uterus in 2024 https://www.newscientist.com/article/mg26034712-400-premature-babies-could-be-treated-with-an-artificial-uterus-in-2024/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 27 Dec 2023 18:00:00 +0000 Premature lambs continued developing when placed in a sac-like artificial uterus. Off the back of this, US officials are hinting that the first in-human trial could soon be underway mg26034712-400-premature-babies-could-be-treated-with-an-artificial-uterus-in-2024|2409531 Headset delivers electric current to ease depression at home https://www.newscientist.com/article/2408516-headset-delivers-electric-current-to-ease-depression-at-home/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Fri, 29 Dec 2023 14:00:09 +0000 A headset that can be worn at home relieves symptoms of depression to a similar degree as antidepressants 2408516-headset-delivers-electric-current-to-ease-depression-at-home|2408516 CRISPR engineered viruses could render other viruses harmless https://www.newscientist.com/article/2408634-crispr-engineered-viruses-could-render-other-viruses-harmless/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Fri, 29 Dec 2023 06:00:49 +0000 A virus engineered using CRISPR technology spread its DNA to other viruses in mice, causing them to become harmless 2408634-crispr-engineered-viruses-could-render-other-viruses-harmless|2408634 Slower arm speed may be why older people fall more easily after a slip https://www.newscientist.com/article/2409722-slower-arm-speed-may-be-why-older-people-fall-more-easily-after-a-slip/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 27 Dec 2023 18:00:47 +0000 Younger people move their arms more quickly than their older counterparts when they slip, helping them to regain their balance and prevent a fall 2409722-slower-arm-speed-may-be-why-older-people-fall-more-easily-after-a-slip|2409722 2024 will see a new weight-loss drug that trumps Wegovy and Ozempic https://www.newscientist.com/article/mg26034712-000-2024-will-see-a-new-weight-loss-drug-that-trumps-wegovy-and-ozempic/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 27 Dec 2023 10:00:00 +0000 Recently approved in the US, the weight-loss drug Zepbound will reach more people in 2024, with research suggesting its effects trump those of the much talked-about Wegovy and Ozempic mg26034712-000-2024-will-see-a-new-weight-loss-drug-that-trumps-wegovy-and-ozempic|2409527 Probiotics helped reduce fatigue and memory loss from long covid https://www.newscientist.com/article/2409180-probiotics-helped-reduce-fatigue-and-memory-loss-from-long-covid/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Tue, 26 Dec 2023 12:00:24 +0000 A study involving more than 450 people found that a mixture of prebiotics and probiotics alleviated some symptoms of long covid when taken daily for six months 2409180-probiotics-helped-reduce-fatigue-and-memory-loss-from-long-covid|2409180 Cancer in young people is rising and 2023 saw a plan to figure out why https://www.newscientist.com/article/mg26034694-000-cancer-in-young-people-is-rising-and-2023-saw-a-plan-to-figure-out-why/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 13 Dec 2023 18:00:00 +0000 Most people with cancer are over 50, but the past few decades have seen a rise in diagnoses for younger people. This year, the US National Cancer Institute and Cancer Research UK made finding out why one of their top priorities mg26034694-000-cancer-in-young-people-is-rising-and-2023-saw-a-plan-to-figure-out-why|2407976 Vibrating pill may help with obesity by making your stomach feel full https://www.newscientist.com/article/2409208-vibrating-pill-may-help-with-obesity-by-making-your-stomach-feel-full/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Fri, 22 Dec 2023 19:00:24 +0000 Swallowing a pill fitted with a vibrating motor resulted in pigs eating less, suggesting a possible new approach for treating obesity 2409208-vibrating-pill-may-help-with-obesity-by-making-your-stomach-feel-full|2409208 2023 saw a cautious hope for Alzheimer's treatment but doubts remain https://www.newscientist.com/article/2408994-2023-saw-a-cautious-hope-for-alzheimers-treatment-but-doubts-remain/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Fri, 22 Dec 2023 10:00:08 +0000 The US approved lecanemab to slow cognitive decline among people with early Alzheimer's, but not everyone is convinced the drug has that big of an impact – not to mention concerns over its safety and practicality 2408994-2023-saw-a-cautious-hope-for-alzheimers-treatment-but-doubts-remain|2408994 Girls’ brains aged unusually rapidly during the covid-19 pandemic https://www.newscientist.com/article/2407727-girls-brains-aged-unusually-rapidly-during-the-covid-19-pandemic/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Thu, 21 Dec 2023 12:00:21 +0000 Adolescents’ brains underwent accelerated ageing during the covid-19 pandemic, and the effect was more pronounced in girls than in boys 2407727-girls-brains-aged-unusually-rapidly-during-the-covid-19-pandemic|2407727 Covid-19 'emergency' ended in 2023 but the virus still lingers https://www.newscientist.com/article/mg26034690-300-covid-19-emergency-ended-in-2023-but-the-virus-still-lingers/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 13 Dec 2023 18:00:00 +0000 On 5 May, the World Health Organization declared that the coronavirus was no longer classified as a "public health emergency of international concern", its highest alert level, but the virus is still evolving mg26034690-300-covid-19-emergency-ended-in-2023-but-the-virus-still-lingers|2407649 Vegans who avoid ultra-processed food risk being protein deficient https://www.newscientist.com/article/2409581-vegans-who-avoid-ultra-processed-food-risk-being-protein-deficient/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 20 Dec 2023 20:00:46 +0000 Two relatively recent dietary trends – veganism and concerns about highly processed foods – may be in conflict with each other 2409581-vegans-who-avoid-ultra-processed-food-risk-being-protein-deficient|2409581 The development of embryos may be less shaped by genes than we thought https://www.newscientist.com/article/2409123-the-development-of-embryos-may-be-less-shaped-by-genes-than-we-thought/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 20 Dec 2023 18:00:43 +0000 The chemical reactions in cells appear to shape an embryo's development, possibly overriding the effect of genes 2409123-the-development-of-embryos-may-be-less-shaped-by-genes-than-we-thought|2409123 Wegovy and Ozempic made 2023 a revolutionary year for weight loss https://www.newscientist.com/article/mg26034690-600-wegovy-and-ozempic-made-2023-a-revolutionary-year-for-weight-loss/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 13 Dec 2023 18:00:00 +0000 The success of semaglutide mimic drugs in helping people lose weight saw demand rocket in 2023, with manufacturers struggling to keep up - something that almost never happens mg26034690-600-wegovy-and-ozempic-made-2023-a-revolutionary-year-for-weight-loss|2407652 How bad is vaping for your health? We’re finally getting answers https://www.newscientist.com/article/2406514-how-bad-is-vaping-for-your-health-were-finally-getting-answers/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 06 Dec 2023 14:00:00 +0000 As more of us take up vaping and concerns rise about the long-term effects, we now have enough data to get a grip on the health impact – and how it compares to smoking 2406514-how-bad-is-vaping-for-your-health-were-finally-getting-answers|2406514 Inside the secretive cannabis lab that makes futuristic weed https://www.newscientist.com/article/2409175-inside-the-secretive-cannabis-lab-that-makes-futuristic-weed/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 18 Dec 2023 17:00:49 +0000 In the final episode of our three-part podcast series, Christie Taylor peers into efforts to grow cannabis compounds in labs and explores the problems with pot’s environmental footprint 2409175-inside-the-secretive-cannabis-lab-that-makes-futuristic-weed|2409175 Ozempic and Wegovy may reduce inflammation by targeting the brain https://www.newscientist.com/article/2409211-ozempic-and-wegovy-may-reduce-inflammation-by-targeting-the-brain/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 18 Dec 2023 16:00:19 +0000 The finding suggests that weight loss and diabetes injections such Ozempic, Wegovy and Zepbound, may have wider medical benefits than first thought 2409211-ozempic-and-wegovy-may-reduce-inflammation-by-targeting-the-brain|2409211 Everything you need to know about the way cannabis affects your brain https://www.newscientist.com/article/2408933-everything-you-need-to-know-about-the-way-cannabis-affects-your-brain/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 18 Dec 2023 07:00:10 +0000 From the relationship between cannabis and creativity to the effects of cannabis on teenage brains, here are 9 important questions about marijuana answered 2408933-everything-you-need-to-know-about-the-way-cannabis-affects-your-brain|2408933 Spinal cord stimulator dramatically reduces phantom limb pain https://www.newscientist.com/article/2408649-spinal-cord-stimulator-dramatically-reduces-phantom-limb-pain/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Thu, 14 Dec 2023 10:00:57 +0000 Pressure sensors on a prosthetic foot that send electrical pulses to the spinal cord help improve walking stability – and they also reduce phantom limb pain by an average of 70 per cent 2408649-spinal-cord-stimulator-dramatically-reduces-phantom-limb-pain|2408649 Brain cells activated by stress may also give you a bad night's sleep https://www.newscientist.com/article/2407917-brain-cells-activated-by-stress-may-also-give-you-a-bad-nights-sleep/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 13 Dec 2023 16:00:56 +0000 In mice, neurons activated by stress cause the animals to wake up far more often during sleep – if the process is similar in humans, it could lead to new ways of improving sleep quality 2407917-brain-cells-activated-by-stress-may-also-give-you-a-bad-nights-sleep|2407917 Stretchy electrodes shrink when wet to fit snugly around organs https://www.newscientist.com/article/2408314-stretchy-electrodes-shrink-when-wet-to-fit-snugly-around-organs/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 13 Dec 2023 16:00:50 +0000 A material inspired by spider silk contracts to less than half of its length when exposed to water, and could be used for soft medical devices that adjust their shape around tissues and organs inside the body 2408314-stretchy-electrodes-shrink-when-wet-to-fit-snugly-around-organs|2408314 What cannabis does to your body and brain https://www.newscientist.com/article/2407872-what-cannabis-does-to-your-body-and-brain/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 11 Dec 2023 20:52:48 +0000 In the second episode of our three-part podcast series, Christie Taylor explores what happens to memory, creativity and the mind when getting high from cannabis 2407872-what-cannabis-does-to-your-body-and-brain|2407872 Patchwork vaping regulation can show the way to a smoke-free world https://www.newscientist.com/article/mg26034681-900-patchwork-vaping-regulation-can-show-the-way-to-a-smoke-free-world/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 06 Dec 2023 18:00:00 +0000 As the health consequences of vaping emerge from the fog, governments across the world are regulating e-cigarettes in different ways – and it won’t take long to see which works best mg26034681-900-patchwork-vaping-regulation-can-show-the-way-to-a-smoke-free-world|2406939 Cannabis can relieve pain short-term, but we still don't know how https://www.newscientist.com/article/2402442-cannabis-can-relieve-pain-short-term-but-we-still-dont-know-how/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Sat, 09 Dec 2023 08:00:49 +0000 There is some evidence that cannabis is an effective short-term pain-reliever but long-term users may experience more pain 2402442-cannabis-can-relieve-pain-short-term-but-we-still-dont-know-how|2402442 Having children earlier in life is genetically linked to dying younger https://www.newscientist.com/article/2406998-having-children-earlier-in-life-is-genetically-linked-to-dying-younger/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Fri, 08 Dec 2023 19:00:47 +0000 An analysis of over 270,000 people's genomes has found that people with genes linked to having children earlier in life are also more likely to die before the age of 76 2406998-having-children-earlier-in-life-is-genetically-linked-to-dying-younger|2406998 How strong is the link between cannabis and schizophrenia? https://www.newscientist.com/article/2401611-how-strong-is-the-link-between-cannabis-and-schizophrenia/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Fri, 08 Dec 2023 12:00:59 +0000 Psychiatrist Deepak D’Souza says we are finally beginning to understand the relationship between cannabis use and schizophrenia, including which drug users are most at risk 2401611-how-strong-is-the-link-between-cannabis-and-schizophrenia|2401611 Hangovers: What science says about why you feel so rough https://www.newscientist.com/article/mg23231040-800-hangovers-what-science-says-about-why-you-feel-so-rough/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 14 Dec 2016 18:00:00 +0000 Hair of the dog? Wine before beer? Why everything you know about hangovers, and how to cure them, is wrong – or unproven mg23231040-800-hangovers-what-science-says-about-why-you-feel-so-rough|2115810 Genetic errors are behind more than two thirds of early miscarriages https://www.newscientist.com/article/2406464-genetic-errors-are-behind-more-than-two-thirds-of-early-miscarriages/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Thu, 07 Dec 2023 06:00:30 +0000 Chromosomal abnormalities were thought to cause around half of miscarriages, but a new genetic analysis technique puts the figure at nearer two-thirds for early miscarriages, with the remaining third probably also due to factors that are out of our control 2406464-genetic-errors-are-behind-more-than-two-thirds-of-early-miscarriages|2406464 The placebo effect means painkillers may work better with side effects https://www.newscientist.com/article/2405946-the-placebo-effect-means-painkillers-may-work-better-with-side-effects/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 06 Dec 2023 14:20:50 +0000 A nasal spray was better at relieving people's discomfort when it caused a mild burning sensation, possibly due to the placebo effect 2405946-the-placebo-effect-means-painkillers-may-work-better-with-side-effects|2405946 Drug prevents fentanyl overdose for a month in monkeys https://www.newscientist.com/article/2406420-drug-prevents-fentanyl-overdose-for-a-month-in-monkeys/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Tue, 05 Dec 2023 16:00:25 +0000 A single dose of a novel antibody medication can bind to fentanyl and prevent the opioid from triggering potentially life-threatening symptoms, research in monkeys suggests 2406420-drug-prevents-fentanyl-overdose-for-a-month-in-monkeys|2406420 Removing zombie-like cells may help treat multiple sclerosis https://www.newscientist.com/article/2406146-removing-zombie-like-cells-may-help-treat-multiple-sclerosis/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Tue, 05 Dec 2023 14:00:33 +0000 Senolytic drugs can clear away worn and damaged “zombie” immune cells that are resistant to dying, which may help treat multiple sclerosis, according to research in mice 2406146-removing-zombie-like-cells-may-help-treat-multiple-sclerosis|2406146 Brain implant could ease the effects of a traumatic injury years later https://www.newscientist.com/article/2406255-brain-implant-could-ease-the-effects-of-a-traumatic-injury-years-later/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 04 Dec 2023 16:00:59 +0000 A device that was implanted into the brains of people with traumatic brain injuries substantially improved their cognitive function a year later, a small study suggests 2406255-brain-implant-could-ease-the-effects-of-a-traumatic-injury-years-later|2406255 Rare gene variants can change your height by up to 7 centimetres https://www.newscientist.com/article/2405589-rare-gene-variants-can-change-your-height-by-up-to-7-centimetres/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 04 Dec 2023 12:00:20 +0000 Gene variants that have an unusally large effect on some people's heights have been discovered by analysing the genomes of more than 300,000 individuals 2405589-rare-gene-variants-can-change-your-height-by-up-to-7-centimetres|2405589 Ultrasound can push vaccines into the body without needles https://www.newscientist.com/article/2405868-ultrasound-can-push-vaccines-into-the-body-without-needles/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 04 Dec 2023 00:00:20 +0000 Vaccinations could be made less painful by treating skin with a vaccine-laden liquid and using ultrasound to push it into the body 2405868-ultrasound-can-push-vaccines-into-the-body-without-needles|2405868 Music created from bioelectric recordings of cancer-treating plants https://www.newscientist.com/video/2405475-music-created-from-bioelectric-recordings-of-cancer-treating-plants/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Sun, 03 Dec 2023 11:00:47 +0000 Musical artist Helen Anahita Wilson records the bioelectric signatures of cancer-treating plants as a way to understand her own cancer journey 2405475-music-created-from-bioelectric-recordings-of-cancer-treating-plants|2405475 Long covid: What we now know about its causes and possible treatments https://www.newscientist.com/article/mg26034670-800-long-covid-what-we-now-know-about-its-causes-and-possible-treatments/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 27 Nov 2023 16:00:00 +0000 Almost four years after the first cases emerged, we are accumulating evidence about the physiology behind this complex condition – from microclots to viral persistence mg26034670-800-long-covid-what-we-now-know-about-its-causes-and-possible-treatments|2404890 Why does weed give you the ‘munchies’? Here's what the science says https://www.newscientist.com/article/2397586-why-does-weed-give-you-the-munchies-heres-what-the-science-says/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Fri, 01 Dec 2023 22:00:17 +0000 There may be several reasons why cannabis encourages people to eat, including the fact that the psychoactive compound in the drug affects the neurons that control hunger 2397586-why-does-weed-give-you-the-munchies-heres-what-the-science-says|2397586 Cannabis probably doesn't help you sleep better https://www.newscientist.com/article/2402374-cannabis-probably-doesnt-help-you-sleep-better/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 29 Nov 2023 22:00:33 +0000 Many people take cannabis to help them sleep, but there is little evidence that the drug makes a difference 2402374-cannabis-probably-doesnt-help-you-sleep-better|2402374 Why some medical conditions are due to evolutionary design flaws https://www.newscientist.com/article/2405182-why-some-medical-conditions-are-due-to-evolutionary-design-flaws/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Tue, 28 Nov 2023 16:00:24 +0000 Rather than assuming medical conditions happen because something in the body has “gone wrong”, considering evolutionary explanations for illnesses and symptoms may help us better understand how to treat them 2405182-why-some-medical-conditions-are-due-to-evolutionary-design-flaws|2405182 A new way to estimate our maximum lifespan could help us extend it https://www.newscientist.com/article/2404778-a-new-way-to-estimate-our-maximum-lifespan-could-help-us-extend-it/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Tue, 28 Nov 2023 12:00:29 +0000 The maximum lifespan of mammalian species such as humans can be estimated from so-called epigenetic markers - and altering those might extend our longevity 2404778-a-new-way-to-estimate-our-maximum-lifespan-could-help-us-extend-it|2404778 Why it's healthy for older people to be slightly overweight https://www.newscientist.com/article/2404871-why-its-healthy-for-older-people-to-be-slightly-overweight/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 27 Nov 2023 17:00:23 +0000 UK dietitians say people over 65 need more fat reserves, but why are they going against most other healthy weight guidelines? 2404871-why-its-healthy-for-older-people-to-be-slightly-overweight|2404871 H1N2 swine flu: UK's first human case recovers after mild illness https://www.newscientist.com/article/2404969-h1n2-swine-flu-uks-first-human-case-recovers-after-mild-illness/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 27 Nov 2023 16:58:16 +0000 Infected person has made full recovery but officials are investigating where they caught the virus and whether they may have passed it to other people 2404969-h1n2-swine-flu-uks-first-human-case-recovers-after-mild-illness|2404969 How to get a better night's sleep by hacking your brainwaves https://www.newscientist.com/article/mg26034663-000-how-to-get-a-better-nights-sleep-by-hacking-your-brainwaves/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 22 Nov 2023 16:00:00 +0000 Wearable technology that stimulates the brain to make you sleep more deeply promises to revolutionise your slumber – can it really lead to a better night’s rest? mg26034663-000-how-to-get-a-better-nights-sleep-by-hacking-your-brainwaves|2403970 Pneumonia in China: Everything we know so far about mystery illness https://www.newscientist.com/article/2404643-pneumonia-in-china-everything-we-know-so-far-about-mystery-illness/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Thu, 23 Nov 2023 15:32:13 +0000 Unexplained pneumonia cases among children in China may be a result of common respiratory infections rebounding after the country's strict covid-19 lockdowns   2404643-pneumonia-in-china-everything-we-know-so-far-about-mystery-illness|2404643 Not sleeping enough before surgery may increase pain during recovery https://www.newscientist.com/article/2404113-not-sleeping-enough-before-surgery-may-increase-pain-during-recovery/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Thu, 23 Nov 2023 10:00:38 +0000 Mice that were deprived of sleep before surgery experienced more pain and inflammation afterwards than animals that had slept enough 2404113-not-sleeping-enough-before-surgery-may-increase-pain-during-recovery|2404113 Drone delivers defibrillators for cardiac arrest faster than ambulance https://www.newscientist.com/article/2404428-drone-delivers-defibrillators-for-cardiac-arrest-faster-than-ambulance/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 22 Nov 2023 23:30:22 +0000 People who have gone into cardiac arrest can get treatment faster if a drone delivers a defibrillator, but there needs to be someone nearby trained in CPR, shows a trial in Sweden 2404428-drone-delivers-defibrillators-for-cardiac-arrest-faster-than-ambulance|2404428 Nutrient found in beef and milk shows promise against several cancers https://www.newscientist.com/article/2404225-nutrient-found-in-beef-and-milk-shows-promise-against-several-cancers/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 22 Nov 2023 17:17:28 +0000 A fatty acid found in beef and milk attacked different types of cancerous cells in a series of lab and animal experiments 2404225-nutrient-found-in-beef-and-milk-shows-promise-against-several-cancers|2404225 Covid-19 vaccines should target only omicron for best immune response https://www.newscientist.com/article/2404392-covid-19-vaccines-should-target-only-omicron-for-best-immune-response/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 22 Nov 2023 16:00:03 +0000 Covid-19 vaccines may offer better protection if they just target the omicron variant, rather than both omicron and the ancestral SARS-CoV-2 strain 2404392-covid-19-vaccines-should-target-only-omicron-for-best-immune-response|2404392 Eight personality traits may help people live to 100 and beyond https://www.newscientist.com/article/mg26034664-300-eight-personality-traits-may-help-people-live-to-100-and-beyond/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 22 Nov 2023 13:49:00 +0000 Interviews with 19 centenarians reveal that they often share several personality traits – including being sociable, positive and resilient – which may have helped them reach an advanced age mg26034664-300-eight-personality-traits-may-help-people-live-to-100-and-beyond|2404251 Mutation behind Huntington's linked to higher childhood intelligence https://www.newscientist.com/article/mg26034663-700-mutation-behind-huntingtons-linked-to-higher-childhood-intelligence/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 22 Nov 2023 12:34:00 +0000 The genetic mutation that causes the brain condition Huntington's disease may result in greater intelligence among young people, which could mean evolution selected for it mg26034663-700-mutation-behind-huntingtons-linked-to-higher-childhood-intelligence|2404245 Space flight may increase erectile dysfunction among astronauts https://www.newscientist.com/article/2404064-space-flight-may-increase-erectile-dysfunction-among-astronauts/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 22 Nov 2023 08:01:51 +0000 Rats that experienced a simulation of microgravity and cosmic radiation showed signs of erectile dysfunction a year later 2404064-space-flight-may-increase-erectile-dysfunction-among-astronauts|2404064 Brain cells that tell mice when to eat may do the same job in people https://www.newscientist.com/article/2403657-brain-cells-that-tell-mice-when-to-eat-may-do-the-same-job-in-people/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Tue, 21 Nov 2023 06:00:54 +0000 Further light has been shed on the mechanism of weight-loss injections like Wegovy and Ozempic, as the brain cells that they suppress have been found to keep track of previous eating patterns 2403657-brain-cells-that-tell-mice-when-to-eat-may-do-the-same-job-in-people|2403657 Cannabis addiction may be partly down to genetics https://www.newscientist.com/article/2403519-cannabis-addiction-may-be-partly-down-to-genetics/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 20 Nov 2023 16:00:33 +0000 An analysis of genetic data from more than 1 million people shows that those with cannabis use disorder share similar markers 2403519-cannabis-addiction-may-be-partly-down-to-genetics|2403519 Fresh ideas about the causes of acne are bringing new treatments https://www.newscientist.com/article/mg26034650-100-fresh-ideas-about-the-causes-of-acne-are-bringing-new-treatments/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 13 Nov 2023 16:00:00 +0000 We are finally working out what happens to the skin and gut microbiome when someone gets acne, giving us new targets for treatments mg26034650-100-fresh-ideas-about-the-causes-of-acne-are-bringing-new-treatments|2402292 Sickle cell CRISPR 'cure' is the start of a revolution in medicine https://www.newscientist.com/article/2403426-sickle-cell-crispr-cure-is-the-start-of-a-revolution-in-medicine/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Thu, 16 Nov 2023 14:41:19 +0000 The approval of a first CRISPR treatment, for sickle cell disease and beta thalassemia, is just the start for a technology still in its infancy 2403426-sickle-cell-crispr-cure-is-the-start-of-a-revolution-in-medicine|2403426 The pandemic helped some children develop their vocabulary https://www.newscientist.com/article/2403513-the-pandemic-helped-some-children-develop-their-vocabulary/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Fri, 17 Nov 2023 16:50:05 +0000 Some preschool children in Canada scored higher on cognitive skills tests during the pandemic than those tested before covid-19 emerged, possibly because their parents were at home more 2403513-the-pandemic-helped-some-children-develop-their-vocabulary|2403513 Electronic pill monitors your breathing and heart rate from your gut https://www.newscientist.com/article/2403367-electronic-pill-monitors-your-breathing-and-heart-rate-from-your-gut/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Fri, 17 Nov 2023 16:00:00 +0000 A smart pill can accurately monitor your breathing and heart rate from inside your gut, which may be useful for detecting sleep apnoea 2403367-electronic-pill-monitors-your-breathing-and-heart-rate-from-your-gut|2403367 Genital herpes linked to accelerated brain shrinkage https://www.newscientist.com/article/2402546-genital-herpes-linked-to-accelerated-brain-shrinkage/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Fri, 17 Nov 2023 12:00:11 +0000 People who tested positive for the virus behind genital herpes tended to have reduced thickness of their outermost brain layer, which has been linked to Alzheimer's disease 2402546-genital-herpes-linked-to-accelerated-brain-shrinkage|2402546 Vagus nerve stimulation may help treat drug addiction https://www.newscientist.com/article/2403534-vagus-nerve-stimulation-may-help-treat-drug-addiction/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Thu, 16 Nov 2023 21:37:11 +0000 Rats that received vagus nerve stimulation were less likely to seek out drugs than those that didn’t, indicating that the therapy could help treat substance use disorders 2403534-vagus-nerve-stimulation-may-help-treat-drug-addiction|2403534 Blood test could predict the severity of depression in adolescents https://www.newscientist.com/article/2403010-blood-test-could-predict-the-severity-of-depression-in-adolescents/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Thu, 16 Nov 2023 10:00:23 +0000 Researchers have found nine markers in blood that are associated with adolescents experiencing more severe symptoms of depression months later 2403010-blood-test-could-predict-the-severity-of-depression-in-adolescents|2403010 The brain's waste disposal system can prevent swelling after an injury https://www.newscientist.com/article/2403016-the-brains-waste-disposal-system-can-prevent-swelling-after-an-injury/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 15 Nov 2023 16:00:15 +0000 A blow to the head may suppress the brain's waste disposal system, leading to a dangerous build-up of fluid. Now, a study in mice suggests a drug cocktail can get the system working again 2403016-the-brains-waste-disposal-system-can-prevent-swelling-after-an-injury|2403016 One-time CRISPR treatment could permanently lower cholesterol https://www.newscientist.com/article/2402731-one-time-crispr-treatment-could-permanently-lower-cholesterol/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Tue, 14 Nov 2023 11:46:13 +0000 A small trial of a cholesterol-lowering treatment based on CRISPR gene editing has produced promising results, but there are questions over safety 2402731-one-time-crispr-treatment-could-permanently-lower-cholesterol|2402731 Covid-19 rebound affects 1 in 5 people after taking Paxlovid https://www.newscientist.com/article/2402842-covid-19-rebound-affects-1-in-5-people-after-taking-paxlovid/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Tue, 14 Nov 2023 16:49:10 +0000 Covid-19 rebound, when the virus increases in the body after initially decreasing, affected just under 21 per cent of people after they took Paxlovid in a trial, compared with fewer than 2 per cent not on the treatment 2402842-covid-19-rebound-affects-1-in-5-people-after-taking-paxlovid|2402842 Weight-loss drug Wegovy can avert heart attacks - will this widen use? https://www.newscientist.com/article/2402406-weight-loss-drug-wegovy-can-avert-heart-attacks-will-this-widen-use/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Sat, 11 Nov 2023 13:30:58 +0000 The latest set of heart disease results seen with using Wegovy to treat obesity could help swing medical opinion in its favour 2402406-weight-loss-drug-wegovy-can-avert-heart-attacks-will-this-widen-use|2402406 Women in the US outlive men by 6 years – the largest gap in decades https://www.newscientist.com/article/2402537-women-in-the-us-outlive-men-by-6-years-the-largest-gap-in-decades/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 13 Nov 2023 16:00:30 +0000 Men are living shorter lives than women in the US, a widening gap largely driven by deaths due to covid-19, drug and alcohol abuse and suicide 2402537-women-in-the-us-outlive-men-by-6-years-the-largest-gap-in-decades|2402537 Sweeteners: The bitter truth about low-calorie sugar substitutes https://www.newscientist.com/article/mg26034640-400-sweeteners-the-bitter-truth-about-low-calorie-sugar-substitutes/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Tue, 07 Nov 2023 16:00:00 +0000 Low-calorie sweeteners such as aspartame have become common in all our diets. With concerns over their health impacts, should you turn to new plant-based alternatives to get your sweet hit? mg26034640-400-sweeteners-the-bitter-truth-about-low-calorie-sugar-substitutes|2401122 Eight healthy habits that could slow your rate of ageing https://www.newscientist.com/article/2401179-eight-healthy-habits-that-could-slow-your-rate-of-ageing/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 06 Nov 2023 10:00:33 +0000 Not smoking, exercising regularly and keeping your cholesterol in check could make your biological age younger than your chronological age 2401179-eight-healthy-habits-that-could-slow-your-rate-of-ageing|2401179 Painful fibromyalgia may be caused by the wrong kind of gut microbes https://www.newscientist.com/article/2401739-painful-fibromyalgia-may-be-caused-by-the-wrong-kind-of-gut-microbes/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Fri, 10 Nov 2023 12:00:09 +0000 Altering the gut bacteria of both mice and people either induced or relieved the chronic pain condition fibromyalgia 2401739-painful-fibromyalgia-may-be-caused-by-the-wrong-kind-of-gut-microbes|2401739 Frequently seeing friends and family may cut the risk of early death https://www.newscientist.com/article/2402234-frequently-seeing-friends-and-family-may-cut-the-risk-of-early-death/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Fri, 10 Nov 2023 01:00:25 +0000 People who socialise regularly with friends or family outside their household live longer than those who never do, according to a study in more than 450,000 people in the UK 2402234-frequently-seeing-friends-and-family-may-cut-the-risk-of-early-death|2402234 Peanut toothpaste shows promise at preventing allergic reactions https://www.newscientist.com/article/2402095-peanut-toothpaste-shows-promise-at-preventing-allergic-reactions/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Thu, 09 Nov 2023 16:00:21 +0000 A toothpaste that contains peanut proteins did not cause any serious side effects in people with an allergy to the food and showed early signs of preventing dangerous reactions 2402095-peanut-toothpaste-shows-promise-at-preventing-allergic-reactions|2402095 Human eyeball successfully transplanted for the first time https://www.newscientist.com/article/2402020-human-eyeball-successfully-transplanted-for-the-first-time/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Thu, 09 Nov 2023 15:30:06 +0000 Aaron James received the first ever eyeball transplant during a 21-hour-long surgical procedure – and five months later, his new eyeball is healthy 2402020-human-eyeball-successfully-transplanted-for-the-first-time|2402020 Highly effective weight-loss drug Zepbound approved in the US and UK https://www.newscientist.com/article/2371986-highly-effective-weight-loss-drug-zepbound-approved-in-the-us-and-uk/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Thu, 09 Nov 2023 11:45:38 +0000 A drug called tirzepatide and sold under the name Zepbound has been approved in the US and the UK for use as a weight-loss medication 2371986-highly-effective-weight-loss-drug-zepbound-approved-in-the-us-and-uk|2371986 We may finally know how cognitive reserve protects against Alzheimer's https://www.newscientist.com/article/mg26034610-800-we-may-finally-know-how-cognitive-reserve-protects-against-alzheimers/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 18 Oct 2023 15:00:00 +0100 Why does mental effort lead to a more resilient brain that can withstand dementia and decline? We are now discovering the mechanisms behind this cognitive reserve, opening up new ways to boost it mg26034610-800-we-may-finally-know-how-cognitive-reserve-protects-against-alzheimers|2397664 We need a wake-up call when it comes to adolescent sleep https://www.newscientist.com/article/2401310-we-need-a-wake-up-call-when-it-comes-to-adolescent-sleep/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 08 Nov 2023 18:00:00 +0000 Early school start times can be harmful to the health of teenagers. But delaying the morning bell isn’t a panacea, says Kenneth Miller 2401310-we-need-a-wake-up-call-when-it-comes-to-adolescent-sleep|2401310 Blood tests for Alzheimer’s may be rolled out within five years https://www.newscientist.com/article/2401867-blood-tests-for-alzheimers-may-be-rolled-out-within-five-years/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Thu, 09 Nov 2023 00:01:27 +0000 The prediction stems from a project to translate tests currently used in research into aids for routine diagnosis in hospitals 2401867-blood-tests-for-alzheimers-may-be-rolled-out-within-five-years|2401867 A type of vitamin B3 might treat chronic pain related to inflammation https://www.newscientist.com/article/2401405-a-type-of-vitamin-b3-might-treat-chronic-pain-related-to-inflammation/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 08 Nov 2023 16:00:26 +0000 Chronic pain can outlast inflammation, the usual driver of pain in the body – a study in mice suggests a vitamin supplement could help relieve it 2401405-a-type-of-vitamin-b3-might-treat-chronic-pain-related-to-inflammation|2401405 Why is Canada's assisted dying policy in the global spotlight? https://www.newscientist.com/article/2401617-why-is-canadas-assisted-dying-policy-in-the-global-spotlight/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 08 Nov 2023 13:00:54 +0000 Medically assisted dying was behind more than 4 per cent of Canada's deaths last year, but uptake is lower in other parts of the world that allow such fatalities 2401617-why-is-canadas-assisted-dying-policy-in-the-global-spotlight|2401617 Just 3.5 minutes of intense activity a day may keep your heart healthy https://www.newscientist.com/article/2401117-just-3-5-minutes-of-intense-activity-a-day-may-keep-your-heart-healthy/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 08 Nov 2023 10:00:33 +0000 A few minutes a day of intense physical activity, which can come from everyday chores, is linked with a lower rate of heart attacks, particularly in female non-exercisers 2401117-just-3-5-minutes-of-intense-activity-a-day-may-keep-your-heart-healthy|2401117 Drug that cuts breast cancer risk set for wider use in UK https://www.newscientist.com/article/2401633-drug-that-cuts-breast-cancer-risk-set-for-wider-use-in-uk/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Tue, 07 Nov 2023 17:04:34 +0000 An oral medicine called anastrozole has been approved by the UK's drug regulatory agency for reducing the risk of breast cancer in post-menopausal women at moderate-to-high risk of the condition 2401633-drug-that-cuts-breast-cancer-risk-set-for-wider-use-in-uk|2401633 Parkinson’s spine stimulator allows man to walk 5 kilometres https://www.newscientist.com/video/2401454-parkinsons-spine-stimulator-allows-man-to-walk-5-kilometres/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 06 Nov 2023 20:00:57 +0000 Thanks to a device that electrically stimulates his spinal cord, Marc, who has severe Parkinson’s disease, experienced a substantial improvement in his ability to walk 2401454-parkinsons-spine-stimulator-allows-man-to-walk-5-kilometres|2401454 Spine stimulator lets man with severe Parkinson's walk without falling https://www.newscientist.com/article/2401388-spine-stimulator-lets-man-with-severe-parkinsons-walk-without-falling/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 06 Nov 2023 17:00:22 +0000 A man with Parkinson's disease who fell up to six times a day can now walk several kilometres without falling due to a device that electrically stimulates his spinal cord 2401388-spine-stimulator-lets-man-with-severe-parkinsons-walk-without-falling|2401388 Left-handed people have a slight advantage in badminton https://www.newscientist.com/article/2401350-left-handed-people-have-a-slight-advantage-in-badminton/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 06 Nov 2023 14:00:44 +0000 The shape of a badminton shuttlecock and the way it spins may give left-handed people an advantage for some shots 2401350-left-handed-people-have-a-slight-advantage-in-badminton|2401350 DNA vaccines coding for live viruses could soon be tested in people https://www.newscientist.com/article/2400932-dna-vaccines-coding-for-live-viruses-could-soon-be-tested-in-people/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 06 Nov 2023 13:00:24 +0000 DNA vaccines would be much easier to store than mRNA alternatives and should be as effective as conventional vaccines that contain live viruses 2400932-dna-vaccines-coding-for-live-viruses-could-soon-be-tested-in-people|2400932 Focusing on health rather than disease will make us all feel better https://www.newscientist.com/article/mg26034633-300-focusing-on-health-rather-than-disease-will-make-us-all-feel-better/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 01 Nov 2023 18:00:00 +0000 There is a revolution taking place in our understanding of healthcare, and it is shifting priorities towards maintaining health before we ever need to wrestle with illness mg26034633-300-focusing-on-health-rather-than-disease-will-make-us-all-feel-better|2400589 Are you truly healthy? These new tests provide the ultimate check-up https://www.newscientist.com/article/mg26034631-200-are-you-truly-healthy-these-new-tests-provide-the-ultimate-check-up/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 01 Nov 2023 16:00:00 +0000 Conventional measures like blood pressure and body mass index only tell you so much. Testing your microbiome and metabolites, or even discovering your “immune grade”, can offer a clearer picture of your health mg26034631-200-are-you-truly-healthy-these-new-tests-provide-the-ultimate-check-up|2400129 We need to ban the sale of all fireworks to the public right now https://www.newscientist.com/article/2222083-we-need-to-ban-the-sale-of-all-fireworks-to-the-public-right-now/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Fri, 01 Nov 2019 15:36:30 +0000 Fireworks injure thousands and pollute the air. Let's enjoy professional and licensed firework displays, but they shouldn't be sold to the public, says Michael Le Page 2222083-we-need-to-ban-the-sale-of-all-fireworks-to-the-public-right-now|2222083 Pesticides in soya farming may be behind leukaemia deaths in Brazil https://www.newscientist.com/article/2400794-pesticides-in-soya-farming-may-be-behind-leukaemia-deaths-in-brazil/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Thu, 02 Nov 2023 16:29:13 +0000 The replacement of cow pastures with soya plantations in parts of Brazil has corresponded with an increase in leukaemia deaths among children, possibly due to pesticide exposure 2400794-pesticides-in-soya-farming-may-be-behind-leukaemia-deaths-in-brazil|2400794 HEPA filters cut covid-19 sick days but we've been slow proving this https://www.newscientist.com/article/mg26034630-700-hepa-filters-cut-covid-19-sick-days-but-weve-been-slow-proving-this/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 01 Nov 2023 18:00:00 +0000 Covid-19 sick days were 20 per cent lower in schools with air-cleaning HEPA filter machines, researchers on an eagerly-awaited study have found. But why has it taken so long to discover how well they work, asks Clare Wilson mg26034630-700-hepa-filters-cut-covid-19-sick-days-but-weve-been-slow-proving-this|2400124 Mysterious cannabis-induced vomiting syndrome is on the rise https://www.newscientist.com/article/2398836-mysterious-cannabis-induced-vomiting-syndrome-is-on-the-rise/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Thu, 02 Nov 2023 11:00:00 +0000 A growing number of heavy cannabis users – especially young people – are showing up in emergency rooms with prolonged vomiting due to cannabis hyperemesis syndrome 2398836-mysterious-cannabis-induced-vomiting-syndrome-is-on-the-rise|2398836 Which dietary supplements actually work and which should you take https://www.newscientist.com/article/mg25934500-200-which-dietary-supplements-actually-work-and-which-should-you-take/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 31 Jul 2023 16:00:00 +0100 From vitamin D to turmeric extracts and probiotics, nutritional supplements are a booming industry. But what is the evidence behind the claimed benefits? mg25934500-200-which-dietary-supplements-actually-work-and-which-should-you-take|2385183 Tall children may be at greater risk of some forms of heart disease https://www.newscientist.com/article/2400415-tall-children-may-be-at-greater-risk-of-some-forms-of-heart-disease/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 01 Nov 2023 17:14:13 +0000 Tall 10-year-olds may be more at risk of developing an irregular heart rate in later life than their shorter counterparts, but less at risk of having a stroke 2400415-tall-children-may-be-at-greater-risk-of-some-forms-of-heart-disease|2400415 Wildfire smoke is reversing decades of progress on clean air https://www.newscientist.com/article/2400774-wildfire-smoke-is-reversing-decades-of-progress-on-clean-air/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 01 Nov 2023 16:47:38 +0000 A spike in wildfires across the globe is stalling and even reversing improvements on air pollution, raising the risk of lung, heart and neurological problems 2400774-wildfire-smoke-is-reversing-decades-of-progress-on-clean-air|2400774 Sperm sense what they are swimming through and adapt their behaviour https://www.newscientist.com/article/2400654-sperm-sense-what-they-are-swimming-through-and-adapt-their-behaviour/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 01 Nov 2023 15:00:08 +0000 Bull sperm move their tails up and down with a larger range of motion when the fluid around them is more viscous, which could help them reach an egg 2400654-sperm-sense-what-they-are-swimming-through-and-adapt-their-behaviour|2400654 How working out your ageotype could help you live healthier for longer https://www.newscientist.com/article/mg25934511-100-how-working-out-your-ageotype-could-help-you-live-healthier-for-longer/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Wed, 09 Aug 2023 17:00:00 +0100 Your body is ageing down one of four - or more - possible pathways. Figuring out your "ageotype" could help you zero in on the things you can do to stay healthier for longer mg25934511-100-how-working-out-your-ageotype-could-help-you-live-healthier-for-longer|2386358 Face masks ward off covid-19, so why are we still arguing about it? https://www.newscientist.com/article/2400394-face-masks-ward-off-covid-19-so-why-are-we-still-arguing-about-it/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Tue, 31 Oct 2023 15:00:35 +0000 The most recent review into the effectiveness of face masks has confirmed that they do help to prevent covid-19, but the intervention remains a controversial issue 2400394-face-masks-ward-off-covid-19-so-why-are-we-still-arguing-about-it|2400394 Why is there a shortage of ADHD drugs and what can people do? https://www.newscientist.com/article/2400281-why-is-there-a-shortage-of-adhd-drugs-and-what-can-people-do/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Tue, 31 Oct 2023 18:00:54 +0000 People with ADHD may need to search for their medicines at multiple pharmacies or see their doctor to get their prescription altered 2400281-why-is-there-a-shortage-of-adhd-drugs-and-what-can-people-do|2400281 A curious history of famous body parts https://www.newscientist.com/article/2400436-a-curious-history-of-famous-body-parts/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Tue, 31 Oct 2023 17:05:38 +0000 Suzie Edge is a medical historian who frequently surprises (and sometimes shocks) her TikTok followers with health stories of famous people from the past. Here are some of her favourites 2400436-a-curious-history-of-famous-body-parts|2400436 You probably don't need 8 hours of sleep for a healthy brain https://www.newscientist.com/article/2399776-you-probably-dont-need-8-hours-of-sleep-for-a-healthy-brain/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 30 Oct 2023 10:04:59 +0000 Largest analysis of brain scanning data yet suggests concerns about getting 7-to-8 hours sleep a night are overblown 2399776-you-probably-dont-need-8-hours-of-sleep-for-a-healthy-brain|2399776 Your ultimate guide to ultra-processed food – how bad is it really? https://www.newscientist.com/article/2398937-your-ultimate-guide-to-ultra-processed-food-how-bad-is-it-really/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=health Mon, 23 Oct 2023 18:04:00 +0100 Highly processed foods, from pizza to bread, are said to be seriously bad for your health. Here is a digestible guide to what the evidence says, to help you make sense of the conflicting claims 2398937-your-ultimate-guide-to-ultra-processed-food-how-bad-is-it-really|2398937