Stock market slides may hurt more than your savings. New research suggests they might prompt heart attacks.

Only half of patients at high risk of heart disease are given the right targets for cutting their cholesterol and millions may suffer heart attack or stroke due to doctors' poor advice, scientists said on Thursday.

Is vitamin D the next big thing in heart health? “I'm cautiously optimistic,” says Dr. Amit Khera, Director of the Preventive Cardiology Program at University of Texas-Southwestern Medical Center and chairman of the American Heart Association's State Advocacy Committee.

The Food and Drug Administration issued a warning Tuesday about potential heart risks when combining two HIV drugs.

British scientists have found a cheap and simple way of keeping vaccines stable, even at tropical temperatures, which they say could transform immunization campaigns in the developing world.

You've heard it before: to avoid a heart attack don't smoke, eat right and exercise. But it also may help to be happy, a new study says.

Intelligence is second only to smoking as a predictor of heart disease, scientists said on Wednesday, suggesting public health campaigns may need to be designed for people with lower IQs if they are to work.

Desk jockeys and couch potatoes beware: Too much sitting, and not just a lack of exercise, may cause heart disease and other life-threatening illnesses, according to doctors from the Karolinska Institute and the Swedish School of Sport and Health.

Encouraging more patients to continue taking their prescribed cholesterol drugs would stave off twice as many stroke and heart attack deaths as giving the drugs to a wider range of people, scientists said on Tuesday.

Researchers on Sunday said they had identified more than a dozen genes that help modulate heart rate, a finding that one day may lead to smarter cardiac drugs.