Fitness

Here’s why your body sheds fat and muscle when you diet

Here’s why older adults naturally lose muscle mass over time and how regular physical activity and resistance training can help

Though you might not be able to significantly rev up your metabolism, there are ways to boost the energy your body burns while doing nothing

Research shows that antifat bias lowers the quality of care for higher-weight patients. Here is one patient’s story

What causes them and how to protect yourself 

For decades, assumptions about weight have clouded our view of health

When it comes to dieting, here’s how to tally the so-called basal metabolic rate

Ardem Patapoutian shared The Kavli Prize in Neuroscience in 2020 for answering a basic question: How does touch actually work?

Heat waves kill more people than any other type of severe weather in the U.S. And climate change is making them more frequent and unpredictable

The disqualification of a leading U.S. Olympics candidate has brought the World Anti-Doping Agency’s marijuana prohibition under fire

A lingering hockey injury forces a science writer to reconsider his criticism of American medicine

Physicians often ask you to rate your agony on a scale from one to 10—but the response doesn’t necessarily say anything useful