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 and ...

The next time you train, remember: You’re not just building endurance. You’re upgrading your heart's software. You're ...

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 that ...

A research team co-led by a physician-scientist at the University of Arizona College of Medicine – Tucson's Sarver Heart Center found that a subset of artificial heart patients can regenerate heart ...