Health
Understanding how the body works — and what happens when things change — is paramount to improving the health and wellbeing of every person on the planet. Our team of expert health writers and editors are here to demystify the latest medical advances, explain how the latest health news affects you, and help you understand which exercise equipment can really help improve your fitness. Whether you're after facts about the human body or the secrets to extreme longevity, our health articles and features aim to leave you better informed, up to date with the latest discoveries, and even more curious about human health.
Latest about Health
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Acupuncture really works for sciatica pain, study finds
By Nicoletta Lanese Published
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Is it COVID or the flu? At-home tests can look for both viruses at once
By Julie Sullivan Published
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How many times does a heart beat in a day? What about in a lifetime?
By Mindy Weisberger Published
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Why does meat have more protein than vegetables?
By Marilyn Perkins Published
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Scientists are working on a poop test for endometriosis
By Emily Cooke Published
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Man developed a 'headspin hole' after years of breakdancing, case report says
By Nicoletta Lanese Published
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Parasitic worms cause terrible diseases — could the viruses they carry be to blame?
By Rohini Subrahmanyam Published
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Explore Health
Ageing
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New 'biological aging' test predicts your odds of dying within the next 12 months
By Julie Goldenberg Published
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Life expectancy is increasing at a slower rate this century — and it may be because we're reaching our human limit
By Emily Cooke Published
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'The secret to living to 110 was, don't register your death': Ig Nobel winner Saul Justin Newman on the flawed data on extreme aging
By Saul Justin Newman Published
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World's oldest person, Maria Branyas Morera, dies at 117 years old
By Jennifer Nalewicki Published
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Human aging accelerates dramatically at age 44 and 60
By Kamal Nahas Published
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Eating too much sugar may accelerate cellular aging
By Emily Cooke Published
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Short-term vegan diet may slow aging, but questions remain
By Emily Cooke Published
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Could blocking this one protein extend human life span?
By Emily Cooke Published
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Is there a 'male menopause'?
By Christoph Schwaiger Published
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Alcohol
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Are people more honest when they're drunk?
By Marilyn Perkins Published
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What happens to your body when you stop drinking alcohol?
By Emily Cooke Last updated
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Can drinking alcohol really cause hiccups?
By Anna Gora Published
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Finally, scientists explain the dreaded 'red wine headache'
By Emily Cooke Published
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Gene therapy injection into the brain causes alcohol use disorder to stop — in monkeys
By Emily Cooke Published
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What does alcohol do to the body?
By Anna Gora Published
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Why is alcohol used to preserve things?
By Donavyn Coffey Last updated
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'Magic mushroom' psychedelic could treat alcohol addiction, trial finds
By Nicoletta Lanese Last updated
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Does wine help you live longer?
By Isobel Whitcomb Last updated
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Allergies
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BUYING GUIDE
Best air purifiers for allergies {year}
By Molly Cleary Last updated
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Could allergies be 'deleted' someday?
By Rebecca Sohn Last updated
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Is playing in the dirt good for kids' immune systems?
By Emily Cooke Published
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Can you really be allergic to the sun?
By Anna Gora Published
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What causes metal allergies?
By Anna Gora Published
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The 5 most common seasonal allergies
By Anna Gora Published
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Reference
Do dehumidifiers help with allergies?
By Lawrie Jones Last updated
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What is a milk allergy?
By Anna Gora Last updated
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Allergy vs intolerance: What’s the difference?
By Anna Gora Last updated
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Anatomy
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Scientists just made mice 'see-through' using food dye — and humans are next
By Emily Cooke Published
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Why are scars permanent?
By Emily Cooke Published
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Scientists are growing teensy hearts to learn which drugs raise risk of congenital defects
By Brett Volmert Published
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Scientists discover new type of cell in the liver
By Emily Cooke Published
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Scientists just grew super realistic, miniature colons in the lab and gave them cancer
By Emily Cooke Published
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Scientists uncover the cells that save you when water goes down the wrong pipe
By Emily Cooke Published
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Nightmare fish may explain how our 'fight or flight' response evolved
By Joanna Thompson Published
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Reference
What are the systems of the body? Fast facts about the human body and how it works
By Rachael Rettner Last updated
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Colors will look different during the April 8 solar eclipse. Here's why.
By Riis Williams Published
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Autism
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'Butterfly effect' may explain some genetic causes of autism
By Emily Cooke Published
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Rates of autism diagnosis in children are at an all time high, CDC report suggests
By Sascha Pare Published
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Confirmed: No Link Between Autism and Measles Vaccine, Even for 'At Risk' Kids
By Laura Geggel Published
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Autism Risk May Increase If Child's Mother Has High DDT Exposure
By Laura Geggel Published
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Can Marijuana Treat Autism? These Clinical Trials Aim to Find Out
By Laura Geggel Published
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What's Behind the Recent Rise in Autism in the US?
By Rachael Rettner Published
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AI Predicts Autism Based on Infant Brain Scans
By Tracy Staedter Published
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Can a Drug That Fights Parasites Also Help with Autism?
By Laura Geggel Published
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New Policies Would Threaten Autism Research, Experts Say
By Christopher Wanjek Published
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Death
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'Microbes of death' can reveal when a frozen body died, forensic scientists explain
By Noemi Procopio Published
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Drowning deaths in US on the rise for the 1st time in decades
By Emily Cooke Published
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April 8 eclipse could bring uptick in fatal car crashes, scientists caution
By Nicoletta Lanese Published
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'We don't yet have the know-how to properly maintain a corpse brain': Why cryonics is a non-starter in our quest for immortality
By Venki Ramakrishnan Published
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'Microbiome of death' uncovered on decomposing corpses could aid forensics
By Christoph Schwaiger Published
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Undetected brain infections may explain some SIDS cases
By Nicoletta Lanese Published
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Seizures may be a cause of sudden unexplained child deaths
By Stephanie Pappas Published
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Some people whose brains flatline but survive can recall lucid 'experiences of death'
By Rachel Nuwer Published
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Night owls may die earlier because they tend to drink and smoke more, study suggests
By Carissa Wong Published
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Diabetes
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Beware smartwatches that claim to monitor blood sugar without skin prick, FDA says
By Nicoletta Lanese Published
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Sugar-loving fruit bats' genes could point to new diabetes treatments, scientists say
By Wei Gordon Published
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reference
Type 3 diabetes: Symptoms, causes and treatments
By Lou Mudge Last updated
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Which vegetables are good for diabetics?
By Lou Mudge Last updated
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Vegan diet for diabetes: Tips, benefits and safety
By Anna Gora Last updated
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Which fruits are good for diabetics?
By Joanne Lewsley Last updated
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Reference
Type 2 diabetes: Symptoms, causes and treatment
By Rachael Rettner Last updated
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Reference
Type 1 diabetes: Symptoms, causes and treatment
By Laura Geggel Last updated
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Diabetes: Symptoms, causes and treatment
By Bahar Gholipour Last updated
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Exercise
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Buying Guide
The 7 best exercise bikes for home use in {year}
By Sam Hopes Last updated
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BUYING GUIDE
Best running watches {year}: Top 6 picks from Garmin, Coros and more
By Lloyd Coombes Last updated
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Buying Guide
Best fitness trackers {year}: Measure steps, sleep, calories and more
By Andrew Williams Last updated
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BUYING GUIDE
Best treadmills for home use {year}
By Harry Bullmore Last updated
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Buying Guide
Best rowing machines {year}: Top 6 picks from Concept2, Ergatta and more
By Harry Bullmore Last updated
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Best budget fitness tracker {year}: Hit your fitness goals without breaking the bank
By Maddy Biddulph Last updated
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Best Garmin watches {year}: Our top picks for fitness fanatics and outdoor enthusiasts
By Andrew Williams Last updated
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BUYING GUIDE
Best Fitbit {year}: Track steps, stress, sleep and more
By Lloyd Coombes Last updated
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BUYING GUIDE
Best running headphones {year}: Unleash the power of music
By Harry Bullmore Last updated
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Fertility, Pregnancy & Birth
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Scientists are working on a poop test for endometriosis
By Emily Cooke Published
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Early development is inherently 'chaotic,' new atlas of mammal embryos reveals
By Emily Cooke Published
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Scientists 'rejuvenate' the aged eggs of mice — is it possible in people?
By Jennifer Zieba Published
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Pollution harms men's fertility, but traffic noise affects women's
By Amy L. Winship Published
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Polycystic ovary syndrome: Symptoms and treatment
By Maureen Salamon Last updated
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Endometriosis may quadruple risk of ovarian cancer, study finds
By Sahana Sitaraman Published
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More babies are being born with syphilis, study finds
By Robert Monaghan Published
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Experimental menstrual product turns blood to jelly
By Victoria Atkinson Published
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How many extra calories does a person need during pregnancy?
By Amy Arthur Published
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Food & Diet
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Why does meat have more protein than vegetables?
By Marilyn Perkins Published
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'Banana apocalypse' could be averted thanks to genetic breakthrough
By Patrick Pester Published
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What are ultraprocessed foods?
By Christoph Schwaiger Published
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Does fake meat cause heart disease? Here's what the science actually says.
By Lori Youmshajekian Published
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'We've always been omnivores': Why 'meatfluencers' are wrong about what our ancestors ate
By Kate Wong Published
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What is brominated vegetable oil, and why did the FDA ban it in food?
By Nicoletta Lanese Published
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8-hour intermittent fasting tied to 90% higher risk of cardiovascular death, early data hint
By Kelly Carroll Published
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PFAS 'forever chemicals' to officially be removed from food packaging, FDA says
By Emily Cooke Published
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Risk of AFib tied to sugary and artificially sweetened drinks
By Jennifer Nalewicki Published
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Genetics
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50,000 'knots' scattered throughout our DNA control gene activity
By Emily Cooke Published
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CRISPR could soon be used to edit fetal DNA — are we ready?
By Julia Brown Published
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'Enhancing' future generations with CRISPR is a road to a 'new eugenics,' says ethicist Rosemarie Garland-Thomson
By Rosemarie Garland-Thomson Published
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'Who are we to say they shouldn't exist?': Dr. Neal Baer on the threat of CRISPR-driven eugenics
By Nicoletta Lanese Published
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Largest animal genome sequenced — and just 1 chromosome is the size of the entire human genome
By Tia Ghose Published
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Some people recover from ALS — now, we might know why
By Emily Cooke Published
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How does CRISPR work?
By Kamal Nahas Last updated
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Why genetic testing can't always reveal the sex of a baby
By Maggie Ruderman Published
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Restless legs syndrome tied to 140 'hotspots' in the genome
By Emily Cooke Published
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Heart & Circulation
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How many times does a heart beat in a day? What about in a lifetime?
By Mindy Weisberger Published
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Paramedics may not all be using the best method for defibrillation, study hints
By Emily Cooke Published
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Heart attacks fell dramatically during the pandemic — and they're still dropping
By Michael Schubert Published
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What causes blood clots?
By Michael Schubert Published
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Anxiety and depression raise the risk of dangerous blood clots, study finds
By Michael Schubert Published
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Cholesterol-gobbling gut bacteria could protect against heart disease
By Sneha Khedkar Published
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Never-before-seen cells unveiled in detailed map of developing human heart
By Clarissa Brincat Published
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Extreme exercise can pose risks. A cardiologist explains why.
By William Cornwell Published
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Scientists developing new 'heart-on-a-chip'
By Emily Cooke Published
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Immune System
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Scientist who discovered body's 'fire alarm' against invading bacteria wins $250,000 Lasker prize
By Nicoletta Lanese Published
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Why are some people's mosquito bites itchier than others'? New study hints at answer
By Michael Schubert Published
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Scientists breed most human-like mice yet
By Emily Cooke Published
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Master regulator of inflammation found — and it's in the brain stem
By Emily Cooke Published
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Women have 4 times men's rate of autoimmune disease. The X chromosome may be to blame.
By Emily Cooke Published
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Why is snot sticky?
By Anna Gora Published
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Inflammation is a 'mismatch between our evolutionary history and modern environment,' says immunologist Ruslan Medzhitov
By Emily Cooke Published
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'If you don't have inflammation, then you'll die': How scientists are reprogramming the body's natural superpower
By Emily Cooke Published
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An immunologist explains why the immune system works best when balanced, not 'boosted'
By Aimee Pugh Bernard Published
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Medicine & Drugs
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Why do leafy green vegetables interact with blood thinners?
By Clarissa Brincat Published
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Some cells can enter a 'third state that lies beyond the traditional boundaries of life and death.' Here's how.
By Peter A Noble Published
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How does grapefruit interact with drugs?
By Clarissa Brincat Published
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Arctic expedition uncovers deep-sea microbes that may harbor the next generation of antibiotics
By Emily Cooke Published
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Antibiotic resistance makes once-lifesaving drugs useless. Could we reverse it?
By Tiffany Taylor Published
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CRISPR could be used to treat UTIs, early trial hints
By Nicoletta Lanese Published
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FDA approves 1st needle-free alternative to EpiPens
By Nicoletta Lanese Published
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Probiotic supplement caused man's fatal infection in rare case
By Nicoletta Lanese Published
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Cannabis use linked to head and neck cancer risk
By Nicoletta Lanese Published
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Mind
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Study reveals how the brain divides days into 'movie scenes'
By Jennifer Zieba Published
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Why does drinking water feel so good when you're thirsty?
By Margaret Osborne Published
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How do you see pictures in your brain?
By Lynne Gauthier Published
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What causes people to 'choke' under pressure?
By Anna Gora Last updated
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Monkey study reveals science behind 'choking under pressure'
By Christoph Schwaiger Published
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Men have a daily hormone cycle — and it's synced to their brains shrinking from morning to night
By Nicoletta Lanese Published
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'What is normal today may not be normal in a year's time': Dr. Dinesh Bhugra on the idea of 'normal' in psychiatry
By Nicoletta Lanese Published
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Pregnancy shrinks parts of the brain, leaving 'permanent etchings' postpartum
By Nicoletta Lanese Published
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Why do we forget things we were just thinking about?
By Marilyn Perkins Published
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More about Health
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Parasitic worms cause terrible diseases — could the viruses they carry be to blame?
By Rohini Subrahmanyam Published
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Early development is inherently 'chaotic,' new atlas of mammal embryos reveals
By Emily Cooke Published
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Toothbrushes and showerheads are teeming with viruses unknown to science, study shows
By Ben Turner Published
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