Page Updated: Friday, June 19, 2026 1:50 AM ET

Live Science - Health

FACTS ABOUT THE HUMAN BODY

3 years ago

Dangerously hot and humid: Rising temperatures in the US make outdoor exercise hazardous - Analysis - In a warming world, outdoor exercise may be hindered by performance-impairing heat more often than it was in the past.

1 day ago

3 new Ebola vaccines are being fast-tracked amid the current outbreak - when could they be ready?

1 day ago

'This might be the point of no return': Experts on the current measles outbreak and where we go from here

1 day ago

Artificial turf contains 400 chemicals tied to cancer and hormone disruption. But is it unsafe?

1 day ago

Diagnostic dilemma -- Viral infection caused woman not to recognize her own father -- Nicoletta Lanese

1 day ago

Diagnostic dilemma -- Diagnostic dilemma: Brain scans following a man's hospital visit for leg weakness revealed a surprising finding -- Christoph Schwaiger

3 days ago

Tests that measure 'biological age' aren't helpful for tracking your health, scientists say -- Idan Shalev

20 days ago

Loneliness may contribute to memory issues, but not dementia - they are 'not the same thing' -- Ivana Babicova

1 month ago

Brain aging results from a loss of control over how genes are regulated, mouse study suggests -- RJ Mackenzie

2 months ago

Could gut microbes hold the secret to aging well? A researcher unpacks the emerging science -- Bill Sullivan

3 months ago

'The limits of human longevity have still not been reached,' study suggests -- Florian Bonnet

3 months ago

Lifespan may be 50% heritable, study suggests -- Victoria Atkinson

4 months ago

Can AI detect cognitive decline better than a doctor? New study reveals surprising accuracy -- Anirban Mukhopadhyay

4 months ago

Gray hair may have evolved as a protection against cancer, study hints -- Victoria Atkinson

4 months ago

Aging and inflammation may not go hand in hand, study suggests -- Clarissa Brincat

7 months ago

Top 5 tips for surviving hay fever season -- Kat Bayly -- Published

30 days ago

Top 5 mistakes when using air purifiers during hay fever season -- Kat Bayly -- Published

30 days ago

New Jersey man dies from meat allergy triggered by tick bite -- Nicoletta Lanese -- Published

7 months ago

Do air purifiers help with allergies? -- Kerry Taylor-Smith -- Last updated

30 days ago

Is playing in the dirt good for kids' immune systems? -- Emily Cooke -- Last updated

1 year ago

Do air purifiers help with dust? -- Katie Treharne -- Last updated

30 days ago

Could allergies be 'deleted' someday? -- Rebecca Sohn -- Last updated

1 year ago

Can you really be allergic to the sun? -- Anna Gora -- Published

1 year ago

What causes metal allergies? -- Anna Gora -- Published

30 days ago

Man who donated his body after death had rare 'triple penis' -- Mindy Weisberger -- Published

2 days ago

Scientists mapped all the nerves of the clitoris for the first time -- Lauren Schneider -- Published

1 month ago

Why don't teeth count as bones? -- Marilyn Perkins -- Published

7 months ago

Human skeleton quiz: What do you know about the bones in your body? -- Kristina Killgrove -- Published

8 months ago

What's the strongest muscle in the human body? -- Clarissa Brincat -- Last updated

8 months ago

Staring at the March 29 solar eclipse can cause eye damage in seconds - and you won't even feel it happening -- Emily Cooke -- Published

8 months ago

New cells discovered in eye could help restore vision, scientists say -- Emily Cooke -- Published

8 months ago

Scientists describe new type of fat in human bellies -- Marianne Guenot -- Published

8 months ago

'Vestigial' human ear-wiggling muscle actually flexes when we're straining to hear -- Clarissa Brincat -- Published

8 months ago

Buyers guide -- Best running shoes for supination 2026: Find the perfect fit for your feet -- Harry Bullmore -- Last updated

4 months ago

BUYING GUIDE -- Best running watches 2026: Premium picks and budget buys -- Lloyd Coombes -- Last updated

3 months ago

Buying Guide -- Best Garmin watches 2026: From fitness bands to adventure smartwatches -- Andrew Williams -- Last updated

5 months ago

Buying guides -- Best fitness trackers for beginners 2025: From Apple Watch to Garmin Forerunner 165 -- Lloyd Coombes -- Last updated

4 months ago

Reviews -- Amazfit Active Max review: The best budget smartwatch of 2026? -- Anna Gora -- Published

4 months ago

Buying guides -- What to buy as a beginner runner: Must-haves vs non-essentials -- Kate Carter -- Published

4 months ago

Buying guides -- Best Garmin smartwatches for runners 2026, tried and tested -- Andrew Williams -- Published

4 months ago

Reviews -- Garmin Enduro 3 review: The longest-lasting sports watch series gets a price cut -- Andrew Williams -- Published

1 month ago

Life's Little Mysteries - Do you really have to wash rice before you cook it? By - Charles Q. Choi - Published - 14 June 26

4 days ago

Do the microbes in your gut influence what foods you like? -- Ashley Hamer

4 days ago

A gut microbe linked to the Mediterranean diet boosts muscle strength in mice -- Kamal Nahas

4 days ago

Liquid-nitrogen-infused cocktail popped a man's stomach like a balloon -- Kamal Nahas

4 days ago

Is there such a thing as 'too much' protein? -- Christoph Schwaiger

4 days ago

New US food pyramid recommends very high protein diet, beef tallow as healthy fat option, and full-fat dairy -- Nicoletta Lanese

4 days ago

An otherwise 'fit' man had a stroke after drinking 8 'high-potency' energy drinks a day -- Nicoletta Lanese

4 days ago

A woman's homemade juice led to life-threatening 'toxic squash syndrome' -- Nicoletta Lanese

4 days ago

A toxicologist explains when you can safely cut the moldy part off food, and when it's best to toss it -- Brad Reisfeld

4 days ago

'We can identify these really early, before the clinical diagnosis': Epigenetic markers may help explain why Native Hawaiians are aging faster -- Sophie Berdugo

25 days ago

DNA sequencing is rewriting our understanding of historic outbreaks, but it can't tell the whole story -- Marc Zimmer

26 days ago

'A landmark moment for the field': FDA approves first-ever gene therapy for inherited deafness -- Nicoletta Lanese

1 month ago

Gene therapy improves hearing in 90% of patients with inherited deafness in largest trial of its kind -- Nicoletta Lanese

1 month ago

Changing 'just one DNA letter' in female mice triggers growth of male genitalia -- Nicoletta Lanese

2 months ago

Are allergies genetic? -- Katherine Irving

2 months ago

A doctor discovered the gene mutation behind his family's mysterious missing-teeth condition -- Kamal Nahas

3 months ago

'It doesn't lie. So who are you?': What happens when DNA tests show a woman is not the mother of the child she gave birth to? -- Lise Barneoud

3 months ago

'Some of them have accuracy that's close to zero': Experts unpack the promise and pitfalls of genetic tests aimed at consumers -- Nicoletta Lanese

2 months ago

A new test could flag people at risk for anemia by filming their eyeballs - no needles required -- Clarissa Brincat

23 days ago

Both very low and very high heart rates may be linked to higher stroke risk, study says -- Isha Ishtiaq

1 month ago

Rectal exam stabilized man's irregular heartbeat -- Mindy Weisberger

1 month ago

'Night owls' may have worse heart health - but why? -- Isha Ishtiaq

4 months ago

Man's autopsy reveals unexpected 'boomerang-shaped' structure in his heart -- Lauren Schneider

4 months ago

Men develop cardiovascular disease 7 years before women -- Clarissa Brincat

4 months ago

People with more 'brown fat' have healthier cardiovascular systems. A new study in mice may explain why. -- Zunnash Khan

4 months ago

This 'marker' may be more predictive than cholesterol for heart disease -- Mary J. Scourboutakos

4 months ago

Diagnostic dilemma - Whiplike rashes appeared on a woman's back after she ate shiitake mushrooms - By - Mindy Weisberger - Published - 27 May 26

22 days ago

A teen's classic diabetes symptoms didn't improve with treatment - revealing she also had a much rarer syndrome -- Nicoletta Lanese

1 month ago

Keratin may act as a 'brake' for skin inflammation, pointing to potential treatments -- Kenna Hughes-Castleberry

2 months ago

Viruses in the gut may help prevent blood sugar spikes, mouse study hints -- Sahana Sitaraman

2 months ago

An experimental mRNA treatment counters immune cell aging in mice -- Nicoletta Lanese

5 months ago

Insomnia and anxiety come with a weaker immune system - a new study starts to unravel why -- Kamal Nahas

4 months ago

Mitochondria aren't only the 'powerhouses of cells' - they also battle germs -- Andrew Monteith

10 months ago

Twin study reveals signs of MS that might be detectable before symptoms -- Michael Schubert

1 year ago

Scientist who discovered body's 'fire alarm' against invading bacteria wins $250,000 Lasker prize -- Nicoletta Lanese

1 year ago

Genetically modified worms can now produce and deliver drugs inside a living body, scientists say -- Victoria Atkinson

8 days ago

A cheap arthritis drug shows promise treating RSV in early study -- Clarissa Brincat

15 days ago

'It's being promoted like there's absolutely no risk': Why some experts say melatonin should be considered a drug rather than a supplement -- Georgia Michelman

21 days ago

Diagnostic dilemma - An infant's brown eyes turned indigo after COVID antiviral treatment - By - Mindy Weisberger - Published - 13 May 26

1 month ago

A woman turned black and blue weeks after starting a new medication -- Nicoletta Lanese

1 month ago

Early data links Wegovy to risk of 'eye stroke' - here's what to know -- Alex Hughes

1 month ago

New blood test aims to spot liver scarring before it paves the way to cancer -- Hanan Hammad

1 month ago

Heading a soccer ball just once is enough to raise levels of proteins associated with brain damage -- Christoph Schwaiger

17 days ago

Rare genetic disease makes scientists reconsider what the 'seat of fear' in the brain really is -- Richard Stone

24 days ago

Landmark finding that showed brains of kids with ADHD mature later was actually a mirage in the data, new research finds -- RJ Mackenzie

27 days ago

Life's Little Mysteries - Why aren't brain transplants possible? By - Lauren Schneider - Published - 17 May 26

17 days ago

The brain's memory center doesn't start as a blank slate, study suggests -- Roberta McLain

1 month ago

Estrogen in both the male and female brain shapes responses to trauma, study suggests -- Nicoletta Lanese

1 month ago

First-of-its-kind map of the mouse nose reveals surprises about the sense of smell -- Payal Dhar

1 month ago

Scientists invent artificial neurons that 'talk' to real brain cells, paving way to better brain implants -- Marianne Guenot

1 month ago

FACT FILE -- What is PMOS (formerly PCOS)? What to know about the hormonal syndrome -- Sophie Berdugo

9 days ago

Poll -- Poll: What do you think of PMOS, the new name for PCOS? -- Nicoletta Lanese

9 days ago

'The name was inaccurate': PCOS gets a new name after years-long effort -- Nicoletta Lanese

1 month ago

Pregnancy quiz: Can you deliver on the science of growing babies? -- Sophie Berdugo

1 month ago

'Two lives hang in the balance': Risky surgery in the womb saved baby from deadly disorder at just 25 weeks gestation -- Kamal Nahas

1 month ago

Preeclampsia could be treated with 'blood filtering' therapy, early study hints -- Lauren Schneider

1 month ago

Scientists identify main cause of extreme nausea and vomiting in pregnancy -- Sophie Berdugo

1 month ago

Sperm quality is at its peak in the summer, study finds -- Clarissa Brincat

2 months ago

'No one knows what they are': Researchers discover new type of cell that's seen only during pregnancy -- Nicoletta Lanese

2 months ago

How long can human sperm survive? -- Emma Bryce

4 months ago

Do animals have orgasms? -- Elana Spivack

4 months ago

Do sperm really race to the egg? -- Ashley Hamer

4 months ago

Sex leaves 'microbial traces' on genitalia, even when a condom is used - scientists call it the 'sexome' -- Emily Cooke

4 months ago

Scientists made mice with Y chromosomes female by deleting just 6 tiny molecules -- Sahana Sitaraman

4 months ago

Man's years of premature ejaculation had a rare cause -- Nicoletta Lanese

4 months ago

Viagra alternatives? Study of mouse erections hints at new ways to treat erectile dysfunction -- Nicoletta Lanese

4 months ago

Erectile dysfunction risk may rise on lengthy space missions, rat study reveals -- Emily Cooke

4 months ago

'Sex drive switch' discovered in male mouse brain that kicks their libido into overdrive -- Emily Cooke

4 months ago

In people with epilepsy, sleeping after a seizure may trigger more seizures -- Kamal Nahas

3 months ago

Sleep deprivation harms the gut via the vagus nerve, early study reveals -- Sahana Sitaraman

2 months ago

Are you a night owl or an early bird? -- Nicoletta Lanese

4 months ago

Scientists infiltrated volunteers' dreams to boost their creative thinking -- RJ Mackenzie

4 months ago

Do your dreams change as you age? -- Abby Wilson

6 months ago

Study reveals why the brain 'zones out' when you're exhausted -- Sophie Berdugo

4 months ago

'DST just seems so pointless': Poll reveals most Live Science readers want to eliminate daylight saving time -- Sophie Berdugo

4 months ago

Do people dream in color or black and white? -- Abby Wilson

4 months ago

Would you get rid of daylight saving time? -- Sophie Berdugo

4 months ago

INTERVIEW -- 'Eventually, it becomes you': Inventors of new 'living' knee replacement describe why this tech is desperately needed and how it works -- Nicoletta Lanese

1 day ago

'The ban assumed the danger was making pigs too human': Why human organs aren't grown in pigs in the US -- Monika Piotrowska

4 months ago

Science news this week -- Science news this week: NASA finds best evidence of life on Mars and scientists invent visible time crystals -- Ben Turner

27 days ago

Science news this week -- Science news this week: A key Atlantic current nears collapse, the world's biggest iceberg shatters, and mouse brains rewrite neuroscience -- Ben Turner

27 days ago

Scientists develop 'glue gun' that 3D prints bone grafts directly onto fractures -- Kristina Killgrove

4 months ago

Science news this week -- Science news this week: A world first pig-to-human lung transplant, and SpaceX's Starship nails a test flight -- Ben Turner

27 days ago

Early test of new laser-free eye treatment shows promise -- Olivia Ferrari

4 months ago

First-ever pig-to-human lung transplant attempted in brain-dead person in China -- Nicoletta Lanese

4 months ago

Are women less sensitive to anesthesia than men? -- Sahas Mehra

4 months ago

Explainer -- Flesh-eating screwworm found in Texas cows and dog. Are humans at risk? -- Nicoletta Lanese -- Last updated

9 days ago

INTERVIEW -- 'A disease anywhere can be a disease everywhere tomorrow morning': Public health expert on Ebola and the threat of future outbreaks -- Sophie Berdugo -- Published

9 days ago

Flu drugs might fight cognitive decline seen in HIV, early study hints -- Nicoletta Lanese

13 days ago

Google wants to release 64 million bacteria-riddled mosquitoes across California and Florida. Here's why scientists are enthusiastic. -- Patrick Pester

15 days ago

Analysis -- Ebola outbreak in Central Africa will be a nightmare to contain, experts warn -- Nicoletta Lanese -- Published

10 days ago

Common asthma drug helps fight hard-to-treat cancers, including aggressive breast cancers, early study finds -- Marianne Guenot

29 days ago

Neuroscientists are searching for the 'cellular substrate of loneliness' -- Elizabeth Preston

4 days ago

These patients' hearts stopped a dozen times a day. An innovative procedure has transformed their lives. -- RJ Mackenzie

6 days ago

Century-old tuberculosis vaccine could help treat diabetes, trials hint. How? -- Clarissa Brincat

7 days ago

ANALYSIS -- Scientists were excited about a blood test for many cancers - but it failed a big trial. Here's what to know. -- RJ Mackenzie

4 days ago