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two nurses wearing protective equipment work in the ICU
'We have basically destroyed what capacity we had to respond to a pandemic,' says leading epidemiologist Michael Osterholm Live Science spoke with leading epidemiologist Michael Osterholm about his new book, "The Big One," which discusses the next pandemic and how to mitigate its harm.
A colored diagram of different neurons in the mouse brain
Map of 600,000 brain cells rewrites the textbook on how the brain makes decisions A new study shows that the brain activity behind decision-making is far more widespread across the organ than first thought.
Background image shows sperm swimming. Image in top right corner is of the acne drug, accutane in a box.
Acne drug Accutane may restore sperm production in infertile men, early study hints Accutane, a decades-old acne treatment, could help men with infertility produce motile sperm and avoid invasive sperm retrieval surgery, a study finds.

Latest about Health

Can you dream during non-REM sleep?

By Marilyn Perkins published

People report vivid dreams during rapid-eye-movement sleep. But is this sleep stage really the only time we dream?

Dreams

Man sought diet advice from ChatGPT and ended up with dangerous 'bromism' syndrome

By Nicoletta Lanese published

A case report describes an incident in which a man seeking to make a dietary change consulted ChatGPT and later developed "bromism," a rare "toxidrome."

Food & Diet

'These decisions were completely reckless': Funding cuts to mRNA vaccines will make America more vulnerable to pandemics

By Nicoletta Lanese published

Interview mRNA expert Jeff Coller spoke with Live Science about the future of mRNA vaccines in the United States in the aftermath of huge federal funding cuts.

Interview

8 'hotspots' in the genome linked to ME/CFS in largest study of its kind

By RJ Mackenzie published

A large study of ME/CFS included more than 15,000 people and identified eight locations in the genome linked to the disease.

Genetics

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

By Mindy Weisberger published

Discover interesting facts about what happens to the body as it ages.

Ageing

A woman had something in her eye — and it turned out to be parasitic worms

By Nicoletta Lanese published

A woman went to the hospital several times with the feeling that something was stuck in her eye. It turned out to be parasites.

Health

Legionnaires' outbreak in NYC causes two deaths

By Perri Thaler published

Two people have died from a Legionnaires' disease outbreak in Harlem, New York City, and 58 people total have contracted the illness.

Viruses, Infections & Disease
The Samsung Galaxy Ring on a persons hand with Live Science deals logo overlay

Get a deep dive on your health and wellbeing at a fraction of the cost with the Samsung Galaxy Ring — this Amazon deal has $100 off

By Paul Brett published

Deals For Samsung and Android users the Galaxy Ring is one of the best way's to track sleep, heart rate and general fitness.

Deals

How does the morning-after pill work?

By Perri Thaler published

The morning-after pill helps prevent pregnancy after unprotected sex, but its efficacy differs depending on the user's body mass and the timing of when they take the medication.

Fertility, Pregnancy & Birth

No-sugar sweetener erythritol may pose risk to cells in the brain

By Isha Ishtiaq published

A popular zero-calorie sweetener could injure cells in the brain's blood vessels, a lab study finds. Here's what we know so far.

Food & Diet
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