FACTS ABOUT THE HUMAN BODY

3 years ago

Does estrogen protect against dementia? And if so, who should take it? Analysis - Recent research hints that systemic hormone replacement therapy for menopause may reduce the risk of dementia. But more data is needed to reach a definitive conclusion, experts told Live Science.

9 days ago

Infectious diseases will seed new ground as the planet warms - here's where they'll spread

10 days ago

'Every time it gets excited - boom - it collapses': How dogs with narcolepsy helped scientists understand the disorder

10 days ago

AI trained to 'think' like human pathologists may be better at spotting cancer

10 days ago

Diagnostic Dilemma -- Weird spikes poking through a teen's eyelid turned out to be a wayward tooth -- Sophie Berdugo -- Published

2 days ago

Health -- Scientists made a paper battery you can swallow to power internal medical devices -- Isha Ishtiaq -- Published

3 days ago

Science Spotlight -- Climate change will triple the number of days over 105 F in the US. The health impacts will be dire. -- Stephanie Pappas -- Last updated

3 days ago

Life's Little Mysteries -- Why does blond hair tend to darken with age? -- Kenna Hughes-Castleberry -- Published

3 days ago

Aging doesn't look the same for everyone at the molecular level - it's 'individualized and context-dependent' -- Isha Ishtiaq

20 days ago

Scientists may have found a clue to prevent muscles from aging, study hints -- Zunnash Khan

1 month ago

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

3 months ago

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

5 months ago

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

5 months ago

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

6 months ago

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

7 months ago

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

7 months ago

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

7 months ago

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

4 months ago

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

4 months ago

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

10 months ago

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

4 months 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

4 months 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

4 months ago

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

2 days ago

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

2 days ago

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

2 days ago

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

2 days ago

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

2 days ago

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

2 days ago

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

2 days ago

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

2 days ago

Analysis -- Dangerously hot and humid: Rising temperatures in the US make outdoor exercise hazardous -- Naomi Mihara -- Published

2 months ago

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

7 months ago

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

6 months ago

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

8 months ago

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

7 months ago

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

7 months ago

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

7 months ago

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

7 months ago

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

5 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

1 month ago

Genetics -- 1 million people's genes reveal the heritability of the Big Five personality traits - and it's complicated -- RJ Mackenzie

14 days ago

Interview -- Author Lise Barneoud on the bizarre and provoking world of microchimerism - when cells from one person live in another, genetically distinct individual -- Hannah Osborne

20 days ago

Science word of the day -- What does 'allele' mean? -- Stephanie Pappas

1 month ago

Genetics -- 6-year-old in China dies after experimental treatment, investigation finds, raising questions about the country's gene therapy regulations -- Nicoletta Lanese

1 month ago

Genetics -- Cells from your mother likely infiltrated your brain in the womb, and they could survive for decades, study reveals -- Clarissa Brincat

1 month ago

Genetics -- 'RNA can do things which we have never seen before': New study challenges assumptions about what RNA was up to at the dawn of life -- Kamal Nahas

1 month ago

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

1 month ago

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

1 month ago

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

1 month ago

Heart & Circulation -- Mini 'arteries-on-a-chip' could help predict a person's risk of stroke -- Victoria Atkinson

1 month ago

Diagnostic dilemma -- A joyful wedding nearly broke a woman's heart in a rare case of 'happy heart syndrome' -- Olivia Maule

1 month ago

Heart & Circulation -- The bacteria behind gum disease may also harm your heart valves, early research suggests -- Isha Ishtiaq

2 months ago

Heart & Circulation -- New robotic heart mimics common, mysterious condition to help researchers study it -- Olivia Maule

1 month ago

Heart & Circulation -- Heart issues tied to 'microdamage' in the brain might raise risk of memory loss, study hints -- Clarissa Brincat

1 month ago

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

1 month ago

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

1 month ago

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

1 month ago

Heart & Circulation -- Rectal exam stabilized man's irregular heartbeat -- Mindy Weisberger

1 month ago

Diagnostic Dilemma -- A man's sudden fainting episodes landed him in the hospital - and a hair dye was to blame -- Anirban Mukhopadhyay

9 days ago

Diagnostic dilemma -- A woman got a lung transplant - and ended up with a peanut allergy, too -- Lauren Schneider

23 days ago

Immune System -- One underlying cause of inflammatory bowel disease pinpointed in new study -- Christoph Schwaiger

2 months ago

Diagnostic dilemma -- Whiplike rashes appeared on a woman's back after she ate shiitake mushrooms -- Mindy Weisberger

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

Medicine & Drugs -- Psilocybin may protect against a common, debilitating side effect of chemotherapy, early study finds -- Jennifer Zieba

21 days ago

Medicine & Drugs -- The popular diabetes drug metformin has been used for decades - and scientists just figured out its main mechanism -- Kamal Nahas

27 days ago

Opinion -- Trump's childhood vaccine order will threaten children's safety, even if it doesn't directly change policy -- Avery August

30 days ago

Explainer -- Peptides are the latest wellness fad. What are they, and are they safe? -- Jennifer Zieba

1 month ago

Science spotlight -- What the US could learn from Japan's incentive for responsible antibiotic use -- Nicoletta Lanese

10 days ago

Analysis -- FDA's approval of new mRNA vaccine does not necessarily signal the government's embrace of the technology, experts say -- Nicoletta Lanese

10 days ago

Medicine & Drugs -- FDA approves first mRNA vaccine for seasonal flu -- Nicoletta Lanese

1 month ago

Medicine & Drugs -- 'It's real, and it's happening': Antibiotic resistance in kids is rising around the world, massive study finds -- Nicoletta Lanese

1 month ago

Medicine & Drugs -- 'Teach me! Doctor': Meet the pediatrician on a mission to boost parents' knowledge of childhood illnesses -- Nicoletta Lanese

1 month ago

Brain shrinkage tied to aging 'pauses' as a woman nears menopause, study finds -- Theresa Sullivan Barger

13 days ago

New map of a male fly central nervous system includes all 166,000 neurons - and enables direct comparisons to female fly brain -- Nicoletta Lanese

13 days ago

Is the NFL doing enough to protect athletes from head injuries? -- Kenna Hughes-Castleberry

13 days ago

Concussion expert explains why viral CTE study may not be as scary as it sounds -- Nicoletta Lanese

13 days ago

Neuroscientist Steve Ramirez studies the physical basis of memory in a quest to manipulate it -- Hannah Osborne

13 days ago

Scientists invent a gel that creates neurons from other cells, which could help treat Alzheimer's -- Zunnash Khan

13 days ago

Scientists just discovered a big limitation in lab-grown minibrains - they have a skewed 'sense of time' -- Zunnash Khan

13 days ago

Memory may not work how we thought, study of mice in artificial hibernation finds -- Nicoletta Lanese

13 days ago

Reproductive Health -- Spaceflight may harm the reproductive system of astronauts' kids and grandkids, early mouse study suggests -- Helena Kudiabor

3 days ago

Reproductive Health -- Bacterial 'postbiotic' may help preserve fertility in the aging uterus, preliminary research suggests -- Isha Ishtiaq

10 days ago

Analysis -- Military's testosterone screening program could lead to overtreatment and side effects, including impaired T production -- Stephanie Pappas

1 month ago

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

3 months ago

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

3 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

How long can human sperm survive? -- Emma Bryce

7 months ago

Do animals have orgasms? -- Elana Spivack

7 months ago

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

7 months ago

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

7 months ago

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

7 months ago

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

7 months ago

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

7 months ago

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

7 months ago

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

7 months ago

'Poop pills' may ease insomnia by reprogramming the gut microbiome, early study hints -- Clarissa Brincat

10 days ago

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

6 months ago

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

5 months ago

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

7 months ago

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

7 months ago

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

9 months ago

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

7 months ago

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

7 months ago

Interview -- Meet the scientists 3D printing corneas to restore people's vision -- Neelanjana Rai

1 month 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

3 months ago

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

1 month 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

4 months 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

4 months ago

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

2 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

4 months ago

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

2 months ago

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

2 months ago

Cancer -- Scientists identify rare genetic mutation that dramatically raises risk of lung cancer in nonsmokers -- Clarissa Brincat

7 days ago

Analysis -- 'It's in the realm of possibility': Climate change is spurring a reemergence of yellow fever, and the US could face future threats -- Olivia Ferrari

24 days ago

Viruses, Infections & Disease -- 2 people die of measles in Pennsylvania as vaccination rates drop across the nation -- Nicoletta Lanese

30 days ago

Analysis -- As cervical cancer rates fall, HPV is causing more throat and mouth cancers in men - why? -- Stephanie Pappas

1 month ago

Viruses, Infections & Disease -- Severe COVID-19 may wake up dormant viruses and lead to lasting physical disability, study finds -- Clarissa Brincat

1 month ago

Viruses, Infections & Disease -- 4 lemurs die of human herpesvirus, including one that had been used in a 'lemur yoga' class -- Kenna Hughes-Castleberry

1 month ago

Viruses, Infections & Disease -- Foodborne illnesses: Is the US really being hit harder this year? -- Ian Randall

1 month ago

Neuroscience -- Scientists shrank mice's brains and replaced the missing tissue with human 'organoids' -- Nicoletta Lanese -- Published

3 days ago