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FeatureIs there really a difference between male and female brains? Emerging science is revealing the answer.
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Interview'Vaccine rejection is as old as vaccines themselves': Science historian Thomas Levenson on the history of germ theory and its deniers
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Scientists hijacked the human eye to get it to see a brand-new color. It's called 'olo.'
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Listeria outbreak that hospitalized 10 linked to California company's ready-to-eat products
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BUYING GUIDEBest running headphones 2025: Unleash the power of music
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People on Ozempic start disliking meat and fried foods. We're starting to learn why.
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Whooping cough is surging. Here's what you can do to protect yourself.
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Buying guidesBest air purifiers for pet owners 2025: Remove pet dander, hair and odors
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DealsPeloton exercise bikes are the best we've ever tested and there is up to $700 discounts in these brilliant Peloton Bike deals
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Solution to 'cocktail party problem' could help people with hearing loss
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Heat waves may accelerate the aging process
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Years of 'confusion and debate' are over — research finds hormone therapy is good for women's hearts in early menopause
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Silent X chromosome genes 'reawaken' in older females, perhaps boosting brain power, study finds
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Biological secrets of world's oldest woman, Maria Branyas Morera, revealed after death
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Biological aging may not be driven by what we thought
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13 proteins tied to brain aging seem to spike at ages 57, 70 and 78
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Can gray hair be reversed?
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New 'biological aging' test predicts your odds of dying within the next 12 months
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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
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How does alcohol cause cancer?
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What counts as 'binge drinking'? What about 'high-intensity drinking'?
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Why do hangovers get worse with age?
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Are people more honest when they're drunk?
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What happens to your body when you stop drinking alcohol?
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Can drinking alcohol really cause hiccups?
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Finally, scientists explain the dreaded 'red wine headache'
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Gene therapy injection into the brain causes alcohol use disorder to stop — in monkeys
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What does alcohol do to the body?
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BUYING GUIDEBest air purifiers for allergies 2025: Breathe easy this spring
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REFERENCEDo air purifiers help with allergies?
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Is playing in the dirt good for kids' immune systems?
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REFERENCEDo air purifiers help with dust?
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Could allergies be 'deleted' someday?
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Can you really be allergic to the sun?
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What causes metal allergies?
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The 5 most common seasonal allergies
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ReferenceDo dehumidifiers help with allergies?
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Staring at the March 29 solar eclipse can cause eye damage in seconds — and you won’t even feel it happening
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New cells discovered in eye could help restore vision, scientists say
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Scientists describe new type of fat in human bellies
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'Vestigial' human ear-wiggling muscle actually flexes when we're straining to hear
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How many more calories does muscle burn than fat?
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Scientists discover new kind of cartilage that looks like fat-filled 'Bubble Wrap'
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Astronauts to grow livers in space, where microgravity might help them thrive
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Scientists launch amazing 'atlas' of embryos, showing how cells move and develop through time
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Scientists just made mice 'see-through' using food dye — and humans are next
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'Butterfly effect' may explain some genetic causes of autism
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Rates of autism diagnosis in children are at an all time high, CDC report suggests
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Confirmed: No Link Between Autism and Measles Vaccine, Even for 'At Risk' Kids
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Autism Risk May Increase If Child's Mother Has High DDT Exposure
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Can Marijuana Treat Autism? These Clinical Trials Aim to Find Out
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What's Behind the Recent Rise in Autism in the US?
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AI Predicts Autism Based on Infant Brain Scans
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Can a Drug That Fights Parasites Also Help with Autism?
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New Policies Would Threaten Autism Research, Experts Say
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'Microbes of death' can reveal when a frozen body died, forensic scientists explain
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Drowning deaths in US on the rise for the 1st time in decades
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April 8 eclipse could bring uptick in fatal car crashes, scientists caution
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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
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'Microbiome of death' uncovered on decomposing corpses could aid forensics
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Undetected brain infections may explain some SIDS cases
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Seizures may be a cause of sudden unexplained child deaths
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Some people whose brains flatline but survive can recall lucid 'experiences of death'
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Night owls may die earlier because they tend to drink and smoke more, study suggests
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We may finally understand how metformin lowers blood sugar, animal study finds
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In a 1st, scientists reversed type 1 diabetes by reprogramming a person's own fat cells
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Beware smartwatches that claim to monitor blood sugar without skin prick, FDA says
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Sugar-loving fruit bats' genes could point to new diabetes treatments, scientists say
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referenceType 3 diabetes: Symptoms, causes and treatments
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referenceWhich vegetables are good for diabetics?
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referenceVegan diet for diabetes: Tips, benefits and safety
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referenceWhich fruits are good for diabetics?
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ReferenceType 2 diabetes: Symptoms, causes and treatment
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BUYING GUIDE
Best running headphones 2025: Unleash the power of music
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DealsMother's Day smartwatch deal: This Samsung is at its lowest-ever price
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ReviewsXiaomi Watch S4 smartwatch review: Affordable elegance
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Buying GuideBest yoga mats 2025: The best designs for hot yoga, travel and general home use
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Buying GuideBest Garmin watches 2025: Our top picks for outdoor and fitness enthusiasts
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Buying GuideBest exercise bikes 2025: From budget options to premium smart bikes
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BUYING GUIDEBest running watches 2025: Our top picks for every runner
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ReferencesHow are scientists making running shoes more sustainable, while still maintaining performance?
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Best walking treadmills 2025: Get moving with these handpicked treadmills
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What are ovarian cysts?
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Is getting an IUD painful?
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'Useless' female organ may actually support the ovaries, study finds
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First baby conceived with remotely operated 'automated IVF' has been born
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Man gets sperm-making stem cell transplant in first-of-its-kind procedure
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'Love hormone' oxytocin can pause pregnancy, animal study finds
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'Mini placentas' in a dish reveal key gene for pregnancy
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Diagnostic dilemma: Teen's improbable pregnancy occurred after oral sex
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US abortion bans have driven a surge in infant deaths, study finds
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People on Ozempic start disliking meat and fried foods. We're starting to learn why.
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Diagnostic dilemma: A man ended up in the ER after drinking 6 gallons of milk in 2 days
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What is alkaline water, and does it have any benefits?
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FDA bans red dye No. 3 in food
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Do bay leaves actually add flavor, or is it all a con?
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Diagnostic dilemma: A man's heart stopped after he ate too much licorice
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Why does meat have more protein than vegetables?
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'Banana apocalypse' could be averted thanks to genetic breakthrough
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What are ultraprocessed foods?
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Unique genes pinpointed in legendary 'women of the sea' in South Korea
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The rare genetic disorder that forces people to avoid sunlight
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DNA from across the ages can reveal migrations of Iron-Age people and genes that protected against Chernobyl radiation
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This rare disease causes people to move uncontrollably and unintentionally self-harm
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Study of 9,000 twins reveals genetics influences how much you enjoy music
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Origins of schizophrenia linked to epigenetics of the placenta
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Epigenetic 'scars' on the genome can be passed down by grandmothers, study finds
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POLG diseases: Rare genetic conditions that starve cells of energy and afflicted the late Prince of Luxembourg
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East Asians who can digest lactose can thank Neanderthal genes
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How do fitness trackers measure your heart rate?
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'Breakthrough' stem-cell patches stabilized woman's heart as she awaited transplant
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Diagnostic dilemma: A woman got 'broken heart syndrome' after eating too much wasabi
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How many blood types are there?
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Women are at higher risk of dying from heart disease. Here's why.
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'Wake-up call': Women are more likely than men to die of complications after heart surgery
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How many times does a heart beat in a day? What about in a lifetime?
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Paramedics may not all be using the best method for defibrillation, study hints
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Heart attacks fell dramatically during the pandemic — and they're still dropping
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Twin study reveals signs of MS that might be detectable before symptoms
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Scientist who discovered body's 'fire alarm' against invading bacteria wins $250,000 Lasker prize
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Why are some people's mosquito bites itchier than others'? New study hints at answer
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Scientists breed most human-like mice yet
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Master regulator of inflammation found — and it's in the brain stem
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Women have 4 times men's rate of autoimmune disease. The X chromosome may be to blame.
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Why is snot sticky?
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Inflammation is a 'mismatch between our evolutionary history and modern environment,' says immunologist Ruslan Medzhitov
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Feature'If you don't have inflammation, then you'll die': How scientists are reprogramming the body's natural superpower
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A single molecule may treat rare, devastating mitochondrial diseases
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Scientists test first-ever vaccine for acne: Here's what we know
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Experimental 'Ozempic pill' shows promise in treating type 2 diabetes
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What are mRNA vaccines, and how do they work?
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Deadly motor-neuron disease treated in the womb in world 1st
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100-year-old heart drug made from foxglove may help 'dissolve' clumps of spreading cancer cells
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Hims & Hers Super Bowl controversy: What the ad left out about its 'alternative' weight-loss drugs
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FDA approves 1st new class of opioid-free painkillers in over 20 years
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FDA approves ketamine-like nasal spray for depression — here's everything you need to know
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Solution to 'cocktail party problem' could help people with hearing loss
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OpinionColors are universal — even if our perception of them is subjective
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Scientists hijacked the human eye to get it to see a brand-new color. It's called 'olo.'
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Largest-ever brain 'connectome' built by having a mouse watch 'The Matrix' and 'Star Wars'
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Estrogen may spur the body to make opioids after injury
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The brain may 'move' between related ideas in the same way it navigates from one location to another
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Mind-reading brain implant 'streams' thoughts instantaneously
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Your brain starts eating itself during a marathon, study finds
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How much of your brain do you need to survive?
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