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an illustration of men and women with their brains superimposed over the heads
Is there really a difference between male and female brains? Emerging science is revealing the answer. Brain scans, postmortem dissections, artificial intelligence and lab mice reveal differences in the brain that are linked to sex. Do we know what they mean?
An illustration of bacteria in the gut
We may finally understand how metformin lowers blood sugar, animal study finds The common diabetes drug metformin works partly by excreting sugar from the bloodstream into the intestines, where gut bacteria then convert it into chemicals that improve the insulin response.
A close-up image of the face of a bat with their wings folded under their face
Diagnostic dilemma: Growing weed with bat poop left 2 men with deadly infections Using bat poop to fertilize plants like cannabis can sometimes have deadly consequences. A report highlights two fatal cases that affected men in New York.

Latest about Health

A stock illustration of astrocytes (in purple) interacting with neurons (in blue)

Scientists discover never-before-seen type of brain cell

By Emily Cooke published

A new study has pinpointed cells in the brains of mice that have the unique ability to proliferate and may help to repair damaged tissue. Scientists now need to determine if similar cells exist in human brains.

Neuroscience
Image shows a woman standing on a smart scale with exercise equipment in the background

Best smart scales 2025: Track body composition in the comfort of your home

By Maddy Biddulph last updated

BUYING GUIDE These are the best smart scales to buy in every category, from Withings Body to Renpho smart scale.

BUYING GUIDE
A computer illustration of mucor mold.

The deadly 'black fungus' infection that decimates flesh

By Emily Cooke published

Most people are exposed to the fungi that cause mucormycosis regularly, but in certain individuals, these microbes can cause a potentially deadly infection.

Viruses, Infections & Disease

Is it too late to get a flu shot?

By Emily Cooke last updated

Is it ever too late in the season to get a flu shot? Here's what experts have to say.

Viruses, Infections & Disease
Hand pouring a cup of tea from a stylish transparent teapot into a clear cup.

Brewing tea can remove lead and other heavy metals from water, new study finds

By Ben Turner published

Tea leaves can remove heavy metals such as lead, cadmium and chromium from water. And steeping time has the biggest impact.

Health

Surgeons remove parasitic twin from teenager who had legs growing out of his chest

By Patrick Pester published

A rare parasitic twin protruding from the chest of a 17-year-old boy has been removed by surgeons in Delhi, India.

Surgery
Cyber Monday under desk treadmill deals: Man walking on under desk treadmill in an office

Under desk treadmill deals: Save money and exercise while you work

By Kirsty Welsh, Kate Carter last updated

Buying Guide Bring movement into your work day: Get your steps in while at work with these under desk treadmill deals.

Buying Guide
A woman running on a treadmill in a living room

Best treadmills 2025: Tried and tested by our fitness experts

By Harry Bullmore, Anna Gora last updated

BUYING GUIDE These are the best treadmills you can buy in every category, from NordicTrack x22i and Mobvoi Home Treadmill to Peloton Tread.

BUYING GUIDE

What are cancer vaccines?

By Marilyn Perkins published

Cancer vaccines harness the power of the immune system to stop tumors in their tracks. They work a little differently than regular vaccines intended to prevent infectious diseases, like measles or the flu.

Cancer

Diagnostic dilemma: Teen's improbable pregnancy occurred after oral sex

By Mindy Weisberger published

A teen girl with abdominal pain learned she was pregnant and had conceived under extremely unusual circumstances.

Fertility, Pregnancy & Birth
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