A diabetes drug shows promise in delaying hospitalizations and preventing heart failure after a heart attack, a new study shows.

A new poll of older adults suggests some who take aspirin daily may be following outdated advice, researchers say.

Extending a smoking ban in Singapore in 2013 may have prevented up to 20,000 heart attacks among adults 65 and older.

For people who have had a heart attack or stroke, a daily aspirin can help prevent a second one. But fewer than half take the medication.

Parsing the risk of myocarditis from viral infection versus vaccination is challenging, and researchers are intensely studying the various factors that are at play.

Nearly half of all Americans ages 20 and up have high blood pressure. Yet research shows that most people in the US don’t know the cutoff numbers for healthy blood pressure.

Disruptions to the electrical signals that control a person’s heartbeat are dangerous, no matter the cause. A heart doctor explains the biology of cardiac arrest and what might have happened on the field.

Circumstances differ person to person, specialist says, but likely culprits include medication lapses and stress.

Researchers have found "strong evidence for the impact of air quality on health." Tiny particles may even cause heart attacks.

People who had heart attacks and had received periodontal maintenance care had the shortest length of stay in the hospital, and more follow-up visits.