A good, long snooze allows your brain to purge waste products such as beta-amyloid, a protein associated with dementia.

By 2040 more than 13 million people will have dementia—about 1 in 3 people over age 85.

Researchers say greener alternatives can reduce the user's carbon footprint, delivering as much benefit as recycling or cutting out meat.

Deaths from drug abuse and suicide—particularly among young people—are fueling a bleak life expectancy forecast.

Your gut instinct to enjoy that favorite cup of java may positively influence your overall health.

Maxed out on Parkinson’s disease meds and reluctant to give up his active lifestyle, Steve Stampfler opted for deep brain stimulation to bring his tremors under control.

Nearly half of all Americans do, and they're responsible for 328,000 crashes a year—including 6,800 fatalities.

Public health campaigns should account for regional differences in drug activity and overdoses, researchers say.

A first-in-the-U.S. biopsy that combined three leading-edge technologies identifies stage 1 lung cancer, which makes all the difference for 81-year-old Mac Brown.

New technology that listens to creaking joints could soon help doctors diagnose osteoarthritis.

Study: Severe cases of the sleeping disorder are associated with a diabetic eye disease that may lead to vision loss.

Soft-spoken and strong-willed, Lilly Gordon is enjoying life as a typical high schooler these days—and she's not letting cystic fibrosis get in the way.