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 ...

Over the course of evolution, the human heart has largely lost its ability to regenerate. Our distant ancestors were not ...

Soft tissue sarcomas (STS) are rare malignant tumors arising from connective tissues such as muscle, fat, and blood vessels, ...

Following a heart attack, the human body is incapable of repairing lost tissue due to the heart's inability to generate new muscle. However, treatment with heart progenitor cells could result in the ...

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.

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 ...

Harvard Medical School researchers are designing next-gen robots that can flex, contract, and grow like human beings.