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image of three human egg cells inside ovarian follicles
Could aging eggs be 'rejuvenated'? New tool may help pave the way to fertility-extending treatments Scientists invented a new experimental system to study how age-related changes in egg cells make them more prone to chromosomal errors.
Asian woman with white skin, gray hair, sitting with her back, Photo of the back.
Gray hair may have evolved as a protection against cancer, study hints Aging comes with graying hair, which may be a sign of the body lowering its risk of cancer, a study suggests.
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Woman with Insomnia. Young woman lying on bed with hand on forehead.
Insomnia and anxiety come with a weaker immune system — a new study starts to unravel why People with anxiety or insomnia tend to have weaker immunity. The decline of a key immune cell may be a culprit.

Latest about Health

A rare condition caused a man to get 'scales' on his hands whenever he washed them

By Sophie Berdugo published

A man's rare condition caused "excessive wrinkling" in his hands which spread to his wrists and elbows.

Health

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

By Nicoletta Lanese published

Live Science spoke with Dr. Joe Alexander of NTT Research about "digital twins" and the development of an autonomous device for acute cardiac care.

Heart & Circulation

A fentanyl vaccine enters human trials in 2026 — here's how it works

By Stephanie Pappas published

A vaccine in development would be the first proactive treatment for overdose and fentanyl addiction, if approved.

Health

Year in review: The standout health stories of 2025, from measles outbreaks to AI-made viruses

By Nicoletta Lanese published

Catch up on the latest trends in health news in this roundup of long-reads compiled by Live Science's health channel editor.

Health

AI is getting better and better at generating faces — but you can train to spot the fakes

By Sophie Berdugo published

Even the most skilled face recognizers are duped by AI-generated faces, a new study finds. But they can improve with training.

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Psychology

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

By Nicoletta Lanese published

Here are a dozen strange and interesting tales from the medical literature.

Health
Three surgeons in surgical scrubs push a patient on a trolley down a hospital corridor.

Diagnostic dilemma quiz: Can you guess the diagnosis in these strange medical cases?

By Nicoletta Lanese published

Based on our "Diagnostic Dilemma" series, this quiz tests your medical know-how.

Health
Paper cut craft of human brain regions, side view anatomy diagram on beige background.

Neuroscience word search — Find all the parts of the brain

By Nicoletta Lanese published

How well do you know that organ between your ears? Test your recognition of neuroscience terms with this word search.

Neuroscience
Female doctor collecting patient's blood sample for test or donation in medical clinic.

New tests could nearly halve the rate of late-stage cancers, some scientists say — is that true?

By RJ Mackenzie published

Blood tests that look for over a dozen cancers are being developed. But how soon will they help patients?

Cancer

A man's bladder looked like a Christmas tree

By Kamal Nahas published

In an unusual case, a man's bladder swelled dramatically at its base, taking the shape of a Christmas tree.

Health
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