Health news, features and articles

Editor's Picks

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.
4 Comments
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

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

By Emily Cooke published

Neanderthals and humans mated millennia ago, and their legacy lives on in us today. Here's how.

10 Comments
Genetics
Baby chimpanzee chewing on a twig.

Why can't you wiggle your toes one at a time?

By Steven Lautzenheiser published

A biological anthropologist explains why humans can't wiggle their toes in the same way they can wiggle their fingers.

Anatomy
Pig Kidney Transplant concept as a genetically modified animal organ transferred to humans as Xenotransplantation technology or Xenogeneic transplantation as bioengineered DNA.

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

By Monika Piotrowska published

As a bioethicist and philosopher explains the ethics of using organs grown in animals for human transplant procedures.

Surgery

From gene therapy breakthroughs to preventable disease outbreaks: The health trends that will shape 2026

By Nicoletta Lanese published

Opinion Live Science's health channel editor makes predictions about the medical breakthroughs and public health shifts to come in 2026.

3 Comments
Opinion

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.

5 Comments
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
1 2 3 4 5 6 7 8 9 Archives