Maintaining a stable heartbeat is critical for survival. Your heart must constantly adapt its output to meet changing demands for oxygen and nutrients. Traditionally, scientists have attributed this ...

Are you at risk of an impending heart attack? Here are the top 10 warning signs you need to watch out for - especially at the ...

A large new study found that beta blockers did not provide clear benefits for heart attack patients whose hearts were still ...

A naturally occurring fat molecule reduced heart inflammation and scarring caused by diabetes, thereby improving cardiac function, according to new research. The findings open the door to developing a ...

In TODAY.com's Expert Tip of the Day, a cardiologist explains how to slow down a racing heart in times of stress.

Frequent exercise doesn't just strengthen the heart—it also changes the nerves that control it, according to new research ...

A new gene therapy can reverse the effects of heart failure and restore heart function in a large animal model. The therapy increases the amount of blood the heart can pump and dramatically improves ...

Study reveals digoxin improves heart pump function and helps ease heart failure and atrial fibrillation symptoms.

Heart disease is the leading cause of death in the United States. One person dies every 34 seconds from cardiovascular ...