Adequate exercise designed by professionals has proven effective in helping prevent cardiac patients from having a heart attack, with the fatality rate reduced by at least 25 percent, a doctor said yesterday.

Replacing the heart's aortic valve with one's own pulmonary valve rather than the same body part from a donor boosts survival and quality of life, according to a study released Tuesday.

People who breathe in a lot of other people's tobacco smoke are twice as likely to die from heart disease as those exposed to lower levels of “secondhand” smoke, according to a British study.

Eating hot dogs, bacon, sausage or deli meats increases the chance of heart disease by 42 percent, U.S. researchers said in a report out Monday.

People who work three hours or more of overtime per day run a 60-percent higher risk of bad heart problems compared to those who work regular hours, a study published in the European Heart Journal said.

High pressure jobs like nursing can increase young women's risk of heart disease and younger women appear to be more vulnerable, scientists said on Thursday.

Examining patient records to pick out those at high risk of developing heart disease is cheaper and just as effective as screening all adults aged between 40 and 74, a British study showed on Monday.

Women who consume large amounts of certain high-carbohydrate foods increase their risk of heart disease, a study said Monday.

Women who suffer a heart attack are twice as likely as men to die within the following month because they receive different medical treatment than men, researchers recently said.

Many people in the U.S. with leaky heart valves soon might be able to get them fixed without open-heart surgery. A study showed that a tiny clip implanted through an artery was safer and nearly as effective as surgery, doctors reported Sunday.