When someone suffers a heart attack, their heart is left permanently scarred and thus less capable of pumping blood. According to a new study, however, a protein injection could help undo such damage.

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 ...

A new biomaterial delivered to the heart soon after a heart attack can heal damaged tissue from the inside out. Heart attacks kill cardiac muscle tissue, scarring the heart and leaving permanent ...

Researchers have developed a new cardiac cell-derived platform that closely mimics the human heart, unlocking potential for more thorough preclinical drug development and testing, and better modeling ...