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 ...

Our previous research has suggested that the structure of the human heart may be different to that of the chimpanzee. Using cardiac ultrasound, we discovered that the left ventricle —the heart's main ...

Type 2 diabetes doesn’t just raise the risk of heart disease—it physically reshapes the heart itself. Researchers studying donated human hearts found that diabetes disrupts how heart cells produce ...

The heart is a very resilient muscle. Scientists observed heart muscle cells regenerating in mice studies after a heart attack. Their heart muscle cells, called cardiomyocytes, were observed dividing ...

The inventor sketched intricate muscular structures half a millennium ago. Turns out he was on to something.

Physician-scientists found that a subset of artificial heart patients can regenerate heart muscle, which may open the door to new ways to treat and perhaps someday cure heart failure. A research team ...

Dr Aaron Holley argues that skeletal muscle — not just heart and lungs — is a key, often missed driver of activity ...

Mammals, from the mighty blue whale to the tiny shrew, inhabit nearly every corner of our planet. Their remarkable adaptability to different environments has long fascinated scientists, with each ...