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Cancer-detecting blood tests are on the rise. Do they work?

In the spring of 2021, the cancer field was abuzz over research that suggested a simple early-detection blood test could find dozens of different cancers, including many for which there is no routine screening.Four and a...

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Does more data make a better, faster, stronger, healthier human

Not all data is good or helpful, doctors, exercise physiologists and coaches say, and having more data does not mean having a more effective workout.

Your 2024 guide to COVID symptoms and treatment

An illustrative image of a COVID-19 test and pills, in New York, Oct. 27, 2023. (Eric Helgas/The New York Times)

More than one billion now afflicted by obesity: Report

The study said the obesity rate had nearly tripled for men (14 percent) since 1990 and more than doubled for women (18.5 percent)

How a nutrition expert really eats

“I obviously spend quite a bit of time thinking about food,” said Maya Vadiveloo, a dietitian and associate professor of nutrition at the University of Rhode Island. But as a single parent of an 8-year-old daughter, she tries to model balance and pleasure rather than perfection and rigidity. (Sarah Mafféïs/The New York Times)

India pharma companies develop versions of Wegovy to get in on weight-loss windfall

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An asteroid wiped out dinosaurs. Did it help birds flourish?

A Darwins Rhea in Pali Aike National Park, Chile, on Nov. 21, 2018. (Tomas Munita/The New York Times)

How to keep your teeth strong

Weak enamel can make you more susceptible to cavities, but there are steps you can take to protect your teeth.

A mild cognitive impairment diagnosis can be scary

There are ways to manage symptoms and slow the progression.

New research raises concerns about long Covid in children

A poses with a mask to protect Covid from virus

Get your cholesterol in check

Getting your cholesterol tested and under control is critical to preventing heart disease and other serious health problems.

Where groundwater levels are falling, and rising, worldwide

GLOBAL GROUNDWATER LEVELS

Will AI mean the death of music, or herald a new era of creativity?

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Musk's Neuralink implants brain chip in first human

Neuralink logo and Elon Musk

Is dyeing your hair bad for your health?

An illustrative photo of hair coloring samples, Jan 19, 2924. (Joyce Lee/The New York Times)

Japan praises 'pinpoint' moon landing by its probe

Shinichiro Sakai, project manager, Smart Lander for Investigating Moon (SLIM) project team poses with a miniature model of SLIM after a press conference in Tokyo. - Reuters
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