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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 high-resolution microscope image of two mitochondria side-by-side. The mitochondria are pink, purple and red, against a green background.

POLG diseases: Rare genetic conditions that starve cells of energy and afflicted the late Prince of Luxembourg

By Emily Cooke published

POLG-related diseases disrupt the function of the mitochondria, or "powerhouses" of the cell — starving them of energy.

Genetics
Garmin Instinct 3 being tested by our reviewer

Garmin Instinct 3 review

By Andrew Williams published

Reviews Garmin's adventure smartwatch series gets an OLED screen option and more sizes, and we're impressed with the rugged Garmin Instinct 3 smartwatch because of it.

Reviews
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

By Emily Cooke published

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.

Viruses, Infections & Disease
Garmin Venu 3 being tested by our reviewer

Garmin Venu 3 review

By Andrew Williams published

Reviews The Garmin Venu 3 is an easygoing fitness watch that now offers ECG readings, an improvement on the Venu 2.

Reviews

'A political division, not a physical one, determined who got measles and who didn't': Lessons from Texarkana's 1970 outbreak

By Adam Ratner published

"Today, Texarkana's unusual geographic and political arrangement continues to instruct us about the deeply intertwined nature of politics and health."

Viruses, Infections & Disease
An image of a bustling market at night in Bejing, China.

East Asians who can digest lactose can thank Neanderthal genes

By Emily Cooke published

Unique versions of the lactase gene found in the genomes of East Asian people may have increased in prevalence within the population over time because they bolstered immune responses against pathogens, new data reveal.

Genetics
TicWatch Atlas being tested by our reviewer

TicWatch Atlas smartwatch review

By Anna Gora published

Reviews A wallet-friendly alternative to pricier mainstream competitors.

Reviews

We may finally understand how metformin lowers blood sugar, animal study finds

By Kamal Nahas published

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.

Diabetes
A female patient is shown sat up in a hospital bed smiling at a nurse who has their hand placed on theirs. The patient is wearing a head scarf.

When is cancer considered cured, versus in remission?

By Emily Cooke published

Experts explain the difference between what it means to experience cancer remission versus being cured of the disease.

Cancer

'One doctor told me I was making myself feel pain': What happens when autoimmune disorders are misdiagnosed a 'psychosomatic'

By Melanie Sloan published

Researchers discuss the lasting impact that being disbelieved by doctors can have on patients.

Health
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