People with heart failure who are also depressed may benefit from regular, moderate exercise, a new study suggests.

Older patients who have a hip or knee replaced face an increased risk of heart attack in the two weeks after the procedure, according to an international study.

Even relatively clean-living Singaporeans who regularly eat burgers, fries and other staples of U.S.-style fast food face an increased risk of diabetes and are significantly more likely than peers to die of heart disease, according to a new study.

Sweet drinks have been linked to a slightly higher risk of developing high blood pressure, but a U.S. study finds that fruit sugar may not be the culprit as found in earlier research.

Australian researchers have found that eating a block of dark chocolate daily over 10 years has “significant” benefits for high-risk cardiac patients and could prevent heart attacks and strokes.

Learning to work in teams may explain why humans evolved a bigger brain, according to a new study published on Wednesday.

People who sleep less than six hours per night or more than eight are more likely to suffer heart problems than people who sleep between six and eight hours, said a U.S. study on Sunday.

Patients with advanced heart disease who received an experimental stem cell therapy showed slight improvements in blood pumping but no change in most of their symptoms, U.S. researchers said Saturday.

U.S. researchers have found oddly-shaped blood cells in heart attack patients, indicating that a blood test could help predict whether a patient is at risk of an imminent cardiac emergency.

Married adults are more than three times more likely to survive the critical first three months after heart surgery than their single counterparts, according to a U.S. study.