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.
People with heart disease who take cholesterol-lowering statins, among the most widely used medications around the world, may have a lower risk of depression than those who don't take the drugs, according to a U.S. study of nearly a thousand people.
Treating stable heart patients with a handful of pills works just as well as propping open blocked heart arteries with a stent, U.S. researchers said on Monday, adding to evidence that less-invasive, less-costly drug treatment works as well as implanting a medical device in such patients.
Diet soda may benefit the waistline, but people who drink it everyday may have a heightened risk of heart attack and stroke, according to a new U.S. study.
A tiny infant became one of the smallest-ever recipients of a pacemaker, undergoing the procedure just 15 minutes after being born, Stanford University announced.
Pet owners with chronic diseases appear to have healthier hearts than people living without an animal companion, whether furry, scaly or feathery, according to a Japanese study.