Health

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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

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
A woman using one of the best dehumidifiers to dry her laundry

Best dehumidifiers 2024: Fight damp, mold and condensation

By Joanne Lewsley last updated

BUYING GUIDE These are the best dehumidifiers you can buy in every category, from Honeywell TP50WK to LG Puricare.

BUYING GUIDE
an acupuncturist applies a needle to a person's back

Acupuncture really works for sciatica pain, study finds

By Nicoletta Lanese published

A new trial that compared acupuncture to a convincing placebo suggests that the treatment can help relieve sciatica pain.

Health
A dual combined antigen test for COVID-19 and the flu.

Is it COVID or the flu? At-home tests can look for both viruses at once

By Julie Sullivan, Wilbur Lam published

A fever and a nasty cough can be symptoms of a range of respiratory illnesses. An antigen test that narrows down the culprits can speed up diagnosis and recovery.

Viruses, Infections & Disease
A digital illustration of a 3D heart with EKG lines superimposed on top

How many times does a heart beat in a day? What about in a lifetime?

By Mindy Weisberger published

Celine Dion sings that "my heart will go on," but how many times does it actually beat in a day or even a lifetime?

Heart & Circulation
An image of a piece of lettuce on one fork and a piece of meat on the other. The pieces of food are manipulated to resemble the profiles of two faces.

Why does meat have more protein than vegetables?

By Marilyn Perkins published

The biological needs of plants and animals affect their cells' protein content, but the story goes deeper than that.

Food & Diet
Woman wearing a yellow t-shirt and blue jeans is shown lying on a grey couch. She looks like she is in pain and is resting her left hand over her abdomen.

Scientists are working on a poop test for endometriosis

By Emily Cooke published

A new study suggests that endometriosis could be detected using a simple stool test, which could accelerate diagnosis rates.

Fertility, Pregnancy & Birth
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