Health

Editor's Picks

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

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
A gold coin with a "B" symbol is shown in focus on the left-hand side of the image. The background is black and blurred. On the right-hand side of the image there is another, smaller blurred gold coin.

Potential health hazards of cryptocurrency mines laid bare by scientists

By Emily Cooke published

Anecdotal reports suggest that cryptocurrency mines can have harmful knock-on effects on people's health, but the true scale of the problem is still unknown.

Health
A split image showing illustrations of viruses on the left and bacteria on the right

Which came first: viruses or bacteria?

By Victoria Atkinson published

Viruses and bacteria have been around for billions of years, but which came first?

Viruses, Infections & Disease
A woman sits on the couch under a blanket and blows her nose

How long is the flu contagious?

By Marilyn Perkins published

Many factors affect the infectious period of seasonal influenza, commonly called "the flu," but there are some good rules of thumb for when it's safe to return to work or school.

Flu
Plastic kitchen utensils.

Spatulas and takeout containers made from recycled black plastic may carry flame retardants

By Michael Schubert published

New research has detected high levels of flame retardants in some toys, kitchen utensils and other household items made from recycled black plastic. But the potential health effects remain unclear.

Health
Smartmi Air Purifier E1

Smartmi Air Purifier E1 review

By Anna Gora published

The Smartmi Air Purifier E1 won several awards for its stylish design, but does its performance also deserve recognition?

Health
Medical illustration of a mitochondrion against a black background. The outline of the mitochondrion is in fluorescent purple and is undulating. Inside, there are fluorescent orange and yellow blobs and circles, as well as patches of fluorescent green and blue.

Malfunctioning mitochondria may drive Crohn's disease, early study hints

By Emily Cooke published

A new study in mice suggests that dysfunctional mitochondria may change the composition of the gut microbiome and thus drive Crohn's disease.

Viruses, Infections & Disease
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
A funnel-web spider on a white surface. The background is blurred.

Drug inspired by spider venom aims to reverse heart attack damage

By Emily Cooke published

A clinical trial will test whether a synthetic version of a spider venom molecule can reverse tissue damage after a heart attack.

Medicine & Drugs
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
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