Page Updated: Tuesday, February 24, 2026 3:50 AM ET

Live Science - Health

Genetics -- Many men lose their Y chromosomes as they age. It may shorten their lives.

7 days ago

Health -- What is rigor mortis, and why does it happen?

2 days ago

Human Evolution -- 10 things we learned about Neanderthals in 2025

1 month ago

Technology -- China's kung fu robots, physicists' re-creation of the Big Bang soup, a teenager buried with her father's bones on her chest, and mathmeticians puzzle over AI taking their jobs.

2 days ago

Space Exploration -- 'The brain consistently moved upward and backward': Astronauts' brains physically shift in their heads during spaceflight

7 days ago

Planet Earth -- China turns desert into carbon sink, a viking giant in a mass grave, real-life inception, and a Valentine's gift idea from nature

9 days ago

Reproductive Health -- How menopause affects the brain - and what we still don't know

19 hours ago

Neanderthals -- 'More Neanderthal than human': How DNA from our long-lost ancestors affects our health today

10 days ago

Climate change -- Trump is bringing car pollution and other greenhouse gases back to America's skies. Here are the health risks we all face from climate change.

10 days ago

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

1 day ago

Animals -- 50 mind-blowing science facts about our incredible world

1 month ago

Human Evolution -- 10 things we learned about our human ancestors in 2025

10 days ago

Health -- Tooth-in-eye surgery, 'blood chimerism,' and a pregnancy from oral sex: 12 wild medical cases we covered in 2025

1 month ago

Heart & Circulation -- 'Night owls' may have worse heart health - but why?

14 days ago

FACTS ABOUT THE HUMAN BODY

2 years ago

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

16 hours ago

Mineral sunscreen leaves an annoying white cast on skin - this new formula could change that

16 hours ago

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

16 hours ago

Emerging embryo-selection technologies are currently 'little more than snake oil.' But someday, they could widen social inequities. -- Daphne O. Martschenko

1 day ago

'Universal' nasal-spray vaccine protects against viruses, bacteria and allergens in mice -- Nicoletta Lanese

3 days ago

New tech allows parents to 'score' IVF embryos for desirable traits - and it's in desperate need of regulation -- Sam Trejo

1 day ago

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

23 days ago

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

26 days ago

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

14 days ago

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

3 months ago

'Aging clocks' can predict your risk of disease and early death. Here's what to know. -- Patrick Sullivan

5 months ago

Special protection may help human eggs stay fresh as the body ages -- Nicoletta Lanese

10 days ago

Aging: What happens to the body as it gets older? -- Mindy Weisberger

3 months ago

Brain scans could reveal your true biological age -- Patrick Sullivan

7 months ago

BUYING GUIDE -- Best air purifiers for allergies 2026: Breathe easy this winter -- Molly Cleary

1 month ago

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

3 months ago

REFERENCE -- Do air purifiers help with allergies? -- Kerry Taylor-Smith

1 year ago

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

1 year ago

REFERENCE -- Do air purifiers help with dust? -- Katie Treharne

1 year 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

1 year ago

The 5 most common seasonal allergies -- Anna Gora -- Published

1 year ago

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

3 months ago

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

4 months ago

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

4 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

4 months ago

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

4 months ago

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

4 months ago

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

4 months ago

How many more calories does muscle burn than fat? -- Kamal Nahas -- Published

4 months ago

Scientists discover new kind of cartilage that looks like fat-filled 'Bubble Wrap' -- Nicoletta Lanese -- Published

10 days ago

Buying Guide -- Best fitness trackers 2026: From smart rings to multisport GPS watches -- Andrew Williams -- Last updated

1 month ago

Buying Guide -- Best budget fitness trackers 2026: Cheap but mighty -- Maddy Biddulph -- Last updated

1 month ago

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

17 days ago

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

18 days ago

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

18 days ago

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

18 days ago

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

18 days ago

Reviews -- Renpho Lynx smart ring review: Somewhat disappointing -- Anna Gora -- Published

21 days ago

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

22 days ago

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

25 days ago

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

1 month ago

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

2 months ago

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

3 months ago

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

3 months ago

FDA recalls more bagged, frozen shrimp over possible radioactive cesium contamination -- Nicoletta Lanese -- Last updated

6 months ago

Man sought diet advice from ChatGPT and ended up with dangerous 'bromism' syndrome -- Nicoletta Lanese -- Published

6 months ago

Can weight loss drugs help you drink less alcohol? -- Marianne Guenot -- Published

8 months ago

Science history: 'Father of modern genetics' describes his experiments with pea plants - and proves that heredity is transmitted in discrete units - Feb. 8, 1865 -- Tia Ghose

16 days ago

These genes were thought to lead to blindness 100% of the time. They don't. -- Stephanie Pappas

1 month ago

DNA from ancient viral infections helps embryos develop, mouse study reveals -- Clarissa Brincat

1 month ago

Leonardo da Vinci's DNA may be embedded in his art - and scientists think they've managed to extract some -- Sascha Pare

1 month ago

5 GENETIC 'SIGNATURES' UNDERPIN A RANGE OF PSYCHIATRIC CONDITIONS -- Clarissa Brincat

2 months ago

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

19 days ago

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

20 days ago

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

28 days ago

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

15 days ago

Scientists are developing a 'self-driving' device that helps patients recover from heart attacks -- Nicoletta Lanese

15 days ago

Heart attacks are less harmful at night. And that might be key to treating them. -- Zunnash Khan

15 days ago

Heart quiz: What do you know about the body's hardest-working muscle? -- Marilyn Perkins

15 days ago

Gum disease treatment slows the thickening of arteries, clinical trial shows -- Sophie Berdugo

15 days ago

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

1 month ago

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

14 days ago

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

6 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

Why are some people's mosquito bites itchier than others'? New study hints at answer -- Michael Schubert

1 year ago

Scientists breed most human-like mice yet -- Emily Cooke

1 year ago

Master regulator of inflammation found - and it's in the brain stem -- Emily Cooke

1 year ago

Women have 4 times men's rate of autoimmune disease. The X chromosome may be to blame. -- Emily Cooke

1 year ago

Needle-free insulin? Scientists invent gel that delivers insulin through the skin in animal studies -- Sayan Tribedi

12 days ago

IVF hormones could be delivered with painless 'microneedle' patch someday, early study hints -- Theresa Sullivan Barger

27 days ago

Antibiotic resistance is the 'silent pandemic' - here are four steps to stop it -- Andre O. Hudson

29 days ago

Wegovy now comes in pill form - here's how it works -- Clarissa Brincat

1 month ago

Metal compounds identified as potential new antibiotics, thanks to robots doing 'click chemistry' -- Victoria Atkinson

1 month ago

US government overhauls the childhood vaccine schedule in unprecedented move -- Nicoletta Lanese

1 month ago

New drug could prevent diabetes complications not fixed with blood sugar control, study hints -- Nicoletta Lanese

3 months ago

New antivenom works against 17 dangerous African snake species, study suggests -- Sayan Tribedi

3 months ago

Psychedelics may rewire the brain to treat PTSD. Scientists are finally beginning to understand how. -- Jane Palmer

17 days ago

'Pain sponge' derived from stem cells could soak up pain signals before they reach the brain -- Payal Dhar

1 month ago

'Zombie' cells may drive common form of epilepsy -- RJ Mackenzie

1 month ago

A man's sudden seizures were set off by sudoku -- Sophie Berdugo

1 month ago

'Mitochondrial transfer' into nerves could relieve chronic pain, early study hints -- Nicoletta Lanese

1 month ago

Neuroscience word search - Find all the parts of the brain -- Nicoletta Lanese

1 month ago

Tiny implant 'speaks' to the brain with LED light -- Payal Dhar

2 months ago

Brain scans reveal 'dial' that helps keep us from getting lost -- RJ Mackenzie

2 months ago

Injecting anesthetic into a 'lazy eye' may correct it, early study suggests -- Clarissa Brincat

10 days ago

In a first, study links maternal genes to risk of pregnancy loss -- Zoe Cunniffe

9 days ago

Risk of death from pregnancy in the US is 44 times higher than that from abortion, new analysis reveals -- Marianne Guenot

9 days ago

'Unprecedented': Woman delivers full-term abdominal pregnancy while also having 22-pound cyst removed -- Nicoletta Lanese

2 months ago

Could aging eggs be 'rejuvenated'? New tool may help pave the way to fertility-extending treatments -- Nicoletta Lanese

14 days ago

Study links GLP-1 use to some pregnancy risks - but the research has key caveats -- Nicoletta Lanese

2 months ago

New blood test can predict risk of postpartum depression with more than 80% accuracy -- Michele Cohen Marill

3 months ago

Don't use cannabis during pregnancy or breastfeeding, leading OBGYN group says -- Elise Ceyral

4 months ago

Scientists created human egg cells from skin cells - then used them to make embryos -- Nicoletta Lanese

4 months ago

How long can human sperm survive? -- Emma Bryce

10 days ago

Do animals have orgasms? -- Elana Spivack

10 days ago

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

10 days ago

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

10 days ago

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

10 days ago

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

10 days ago

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

10 days ago

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

10 days ago

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

10 days ago

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

12 days ago

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

13 days ago

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

2 months ago

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

10 days ago

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

10 days ago

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

10 days ago

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

10 days ago

Scientists have just defined five sleep profiles - and some could help spot mental illness -- Theresa Sullivan Barger

10 days ago

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

10 days ago

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

10 days ago

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

10 days ago

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

10 days ago

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

10 days ago

In 'extremely rare' case, Michigan resident dies from rabies after receiving transplanted kidney carrying the virus -- Jess Thomson

10 days ago

Diagnostic dilemma: 83-year-old man's unusual form of syphilis had an 'uncertain' source -- Sophie Berdugo

5 days ago

Opinion - Vaccine denial sets Americans up for more chronic illness - By - Janna K. Moen - Published - 15 February 26

6 days ago

'DNA origami' could be key for making an effective HIV vaccine, early study hints -- Zunnash Khan

11 days ago

Cancer vaccine shows promise against HPV-related throat tumors in early study -- Clarissa Brincat

12 days ago

Teenager contracts rare 'welder's anthrax,' marking the ninth known case ever reported -- Sophie Berdugo

12 days ago

Only certain types of brain-training exercises reduce dementia risk, large trial reveals -- Kamal Nahas

13 days ago

AI-supported breast cancer screening spots more cancers earlier, landmark trial finds -- Jennifer Zieba

16 days ago

The 'mono' virus raises the risk of MS and cancer in some. 22 genes hint at why. -- Stephanie Pappas

18 days ago

'Nose-in-a-dish' reveals why the common cold hits some people hard, while others recover easily -- RJ Mackenzie

22 days ago

Buying guides -- Best air purifiers for pet owners 2026: Remove pet dander, hair and odors -- Tantse Walter -- Last updated

4 days ago

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1 year ago

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

5 days ago