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 ...

For the first time, scientists have shown that heart muscle cells can regrow after a heart attack in humans, a process that ...

By studying and engineering heart tissue in the unique low-gravity environment of space, the laboratory of Arun Sharma, Ph.D.

Johns Hopkins Medicine scientists who arranged for 48 human bioengineered heart tissue samples to spend 30 days at the International Space Station report evidence that the low gravity conditions in ...

Scientists have shown that a single injection of self-amplifying RNA, delivered into skeletal muscle rather than the heart itself, can trigger weeks of sustained hormone production that protects ...

Many people around the world use weight loss medications such as semaglutide to shrink their thighs and bellies. However, new ...

The need for heart transplants will always exceed the number of donor hearts available for transplant. Thanks to research just out from Massachusetts General Hospital, though, this may not continue to ...

Can weight loss reverse heart failure? A new study shows that heart muscle cells regain strength and muscle contractions ...