French researchers announced a striking 15% decrease in admissions of patients with myocardial infarction to emergency wards since the public ban on smoking came into effect in restaurants, hotels and casinos in France last January.

Blood clots can save lives, staunching blood loss after injury, but they can also kill. Let loose in the bloodstream, a clot can cause a heart attack, stroke or pulmonary embolism.

Full prescription coverage of heart drugs could help heart attack survivors live longer, better lives and lower the nation’s healthcare costs, according to a new analysis reported in Circulation: Journal of the American Heart Association.

The proverbial cigarette after a Valentine’s Day snuggle can prematurely end a love affair, as new evidence emerges that a common defect in a gene significantly increases a smoker’s risk of an early heart attack. Researchers say that as much as 60 to 70 percent of the population has a gene defect that delivers a one-two punch to smokers:

The number of acute coronary events such as heart attack in adults dropped significantly after a smoking ban in public places in Italy, researchers reported in Circulation: Journal of the American Heart Association.

Scientists have uncovered a new region in the genome that is responsible for the body's ability to regulate bad cholesterol.

A seemingly random arterial abnormality that can cause heart attack and sudden death in adults with no previous symptoms may not be so random after all.

A study to assess the adverse effects of anti-retroviral drugs shows that two of the widely used HIV drugs are associated with an increased risk of heart attack/the formation of blood clots in the heart. With the use of Didanosine; the risk of developing a heart attack increases by 49%, with Abacavir; the increased risk is 90%.

A novel drug designed to lessen muscle damage from a heart attack has passed initial safety tests at the Duke Clinical Research Institute. Results of the study, available online and to be published in the February 19 issue of the journal Circulation, reflect the first time the drug has been tested in humans.

U.S. researchers found out that patients who were given the blood-clot preventer Plavix after a heart attack or after receiving a stent have a far higher risk of heart attack or death in the three months after they stop taking the drug.

A protein has been found that influences the response of the heart to a lack of oxygen and blood flow, such as occurs during a heart attack, a team of Yale School of Medicine researchers report today in Nature.

More than 13 million Americans have survived a heart attack or have been diagnosed with coronary heart disease (CHD), the number one cause of death in the United States. In addition to medications, lifestyle changes, such as a healthy diet and exercise, are known to reduce the risk for subsequent cardiac events.