Fitness

Can certain foods really help you fight heart disease, arthritis and dementia?

Eye twitching is common. How do you know when it's benign and when it's a sign of something more serious?

A big data analysis involving more than 1.5 million patients could find no relationship between weather and complaints to doctors about joint or back pain.

Combining near-infrared light with ultrasound could let doctors image tumors with unprecedented accuracy

We don't actually know for sure, which should be a cause for concern

Every year the common virus is lethal to many. What happens inside the body that results in death?

Doctors that perform the procedure would risk both losing their medical licenses and a felony charge

Smell receptors in kidneys sniff out signals from gut bacteria for cues to moderate blood pressure

Following dietary guidelines would mean eating less meat and dairy—and fewer calories overall—reducing greenhouse gases and other pollution. Julia Rosen reports.

Biochemist Sylvia Tara talks about her book The Secret Life of Fat: The Science behind the Body's Least-Understood Organ and What It Means for You.

For thousands of years, women in agricultural societies seem to have had arms stronger than members of modern rowing teams.

Do salty foods make you hungrier? Or do they help you burn more calories? A new study finds that salt has unexpected effects on hunger and weight loss. Learn how this affects you