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Close-up picture of a Tibetan woman looking into the distance. She is carrying a baby in a shawl on her back. The background of the image is blurry.
Natural selection is unfolding right now in these remote villages in Nepal Physiological traits that help Tibetan women survive at high altitudes are being selected for within the population, meaning they may be becoming more common, new research hints.
A close-up of chickens in an industrial farm
Bird flu could become deadlier if it mixes with seasonal flu viruses, experts warn As of now, 17 states have reported H5N1 bird flu cases in humans, but there is still no evidence for transmission between people. Could that change?
photo of a woman's hands holding a large table-top alarm clock and adjusting the time
The case against daylight saving, from a neurologist and sleep expert While that "extra" hour of sunlight in the evenings can be exhilarating, it comes with significant health trade-offs.

Latest about Health

An illustration of rod-shaped bacteria

AI could identify the next superbug-fighting drug

By Abdullahi Tunde Aborode published

By analyzing the resistance genes and proteins of E. coli, researchers can optimize treatments to address both current and future antimicrobial resistance.

Medicine & Drugs
AirDoctor AD3500 being tested by our reviewer

AirDoctor AD3500 air purifier review

By Anna Gora published

Can it outperform air purifiers with standard HEPA filters? Yes, it can.

Health
an artist's rendering of DNA double helixes in rainbow colors

1 gene may explain 30 mysterious medical conditions

By Stephanie Pappas published

While investigating a rare developmental disorder, researchers ended up discovering a spectrum of conditions that are all linked to one gene.

Genetics
A man working in front of a laptop while taking steps on one of the best walking treadmills

Best walking treadmills 2024

By Sam Hopes last updated

These are the best walking treadmills you can buy in every category, from Mobvoi Home Treadmill to Bluefin Fitness Task 2.0 Treadmill.

Exercise
One of the best air purifiers for allergies standing next to a dining table

Best air purifiers for allergies 2024

By Molly Cleary, Anna Gora last updated

BUYING GUIDE These are the best air purifiers for allergies you can buy in every category, from Levoit Core 600S and GermGuardian AC4825E to RabbitAir A3.

BUYING GUIDE
One of the best humidifiers sitting among green plants

Best humidifiers 2024: Relieve dry skin & allergy symptoms

By Sarah Finley last updated

Buying Guide These are the best humidifiers you can buy in every category, from Dyson AM10 and Levoit LV600HH to HoMedics TotalComfort Deluxe.

Buying Guide
A woman grasps her chest in pain, with an illustration of a heart imposed on top

Women are at higher risk of dying from heart disease. Here's why.

By Amy Huebschmann, Judith Regensteiner published

Cardiovascular disease develops and presents differently in women and men. But medical guidelines are often based on studies that excluded women.

Heart & Circulation
An older woman with gray hair

Can gray hair be reversed?

By Sarah Wells published

Gray hair is often a sign of aging, but is it possible to delay its advance or reverse the color change?

Ageing
3D rendered image of a dengue virus particle against a black background. Other viral particles can be seen blurred in the background at a distance.

'Dengue is coming': Climate-fueled rise in cases will affect the US, scientists warn

By Emily Cooke published

New research suggests that climate change is currently driving a surge in global dengue infections and that case rates could increase by 60% by 2050.

Viruses, Infections & Disease
Two rats in a remote operated vehicle.

Neuroscientists taught rats to drive tiny cars. They took them out on 'joy rides.'

By Kelly Lambert published

Scientists taught rats to drive to a certain destination, but the rodents took a detour, suggesting they enjoy both the journey and the rewarding destination.

Neuroscience
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