No one can live without a heart pumping blood to the rest of the body. New research from the University of Missouri School of ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs ...

During a severe heart attack many heart muscle cells die and are replaced by scar tissue to stabilize the heart wall.

Protein plays a key role in healthy heart function, but not all sources of protein are created equal. Learn how high-quality ...

When heart muscle gets damaged, the result is often permanent. Unlike other muscles in the body, the heart has long been believed to lack the ability to heal itself. But recent research suggests ...

Muscle fat may increase heart disease risk more than subcutaneous fat, a new study warns. Image credit: Hispanolistic/Getty Images. This article originally appeared on Medical News Today ...

Cardiomyopathy and heart failure are both conditions in which your heart has a more difficult time pumping blood. While cardiomyopathy involves problems with your heart muscle specifically, heart ...