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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

A close-up of a McDonald's quarter pounder burger

Nearly 50 illnesses, 1 death caused by E. coli outbreak linked to McDonald's Quarter Pounders

By Nicoletta Lanese published

U.S. health officials are investigating a multi-state outbreak of bacterial infections that has been linked to McDonald's Quarter Pounders.

Viruses, Infections & Disease
A woman stands in front of a mirror and palpates her breasts during a cancer self-check

Doctors no longer recommend 'self-checks' for breast cancer — here's what to know

By Julie Goldenberg published

Breast self-exams used to be recommended as a part of routine breast cancer screening. Here's why the guidelines changed and what experts recommend instead.

Breast Cancer
Mid-section of a woman sat down. She has a white medical cast on her left arm which she is supporting with her right hand.

Melatonin disruption tied to early-onset osteoporosis, new study suggests

By Emily Cooke published

A genetic analysis suggests that rare cases of early onset osteoporosis may be partly caused by disruptions to the function of the hormone melatonin.

Genetics
A group of people excavate a house

World's early mega-settlements mysteriously collapsed — this might be why

By R. Alexander Bentley published

Whether intentional or not, the way mega-settlements in southeastern Europe from 6,000 years ago were laid out would have cut down on the spread of disease.

Viruses, Infections & Disease
One of the best Garmin watches being tested by Live Science contributor Andrew Williams

Best Garmin watches 2024: Our top picks for fitness fanatics and outdoor enthusiasts

By Andrew Williams last updated

These are the best Garmin watches you can buy in every category, from Fenix 7 and Forerunner 265 to Venu 2 Plus.

Exercise
A woman is shown wearing the tDCS headset against a blurred background. The image is zoomed in so that only her head and shoulders are visible.

At-home brain stimulation could be promising depression treatment, trial hints

By Emily Cooke published

A new trial suggests that at-home brain stimulation could potentially be a first-line treatment for depression. However, some experts are skeptical.

Psychology
Our reviewer wearing a Fitbit watch

Best Fitbit 2024: Track steps, stress, sleep and more

By Lloyd Coombes last updated

BUYING GUIDE The best Fitbit wearables available to buy: Tried and tested to provide you with options from simple fitness trackers to feature-packed smartwatches.

BUYING GUIDE
Two women wearing some of the best budget fitness trackers doing a workout

Best budget fitness tracker 2024: Hit your fitness goals without breaking the bank

By Maddy Biddulph last updated

These are the best budget fitness trackers you can buy in every category, from Fitbit Inspire 3 and Garmin Vivosmart 5 to Amazfit Bip 3 Pro.

Exercise
A woman running on one of the best treadmills

Best treadmills for home use 2024

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
an illustration showing damaged neurons

Twin study reveals signs of MS that might be detectable before symptoms

By Michael Schubert published

Changes in the gene activity of immune cells may help flag people who have multiple sclerosis or are likely to develop it, a study of twins hints.

Immune System
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