Atrial fibrillation, heart failure and stroke—hypertrophic cardiomyopathy can lead to many serious health conditions and is a major cause of sudden cardiac death in people younger than 35. "The heart ...

The human heart, often described as the body's engine, is a remarkable organ that tirelessly beats to keep us alive. At the core of this vital organ, intricate processes occur when it contracts, where ...

It's been estimated that over one lifetime, a heart will beat 2.5 to 3 billion times without stopping. Yet the mechanics of how the heart physically carries out this function flawlessly, without fail, ...

Thick filament structure in the relaxed cardiac sarcomere. The upper image shows a tomographic slice of a cardiac sarcomere. Thin filaments are marked with a green and thick filaments with a purple ...

A tiny region in a little-known muscle protein may hold the key to a healthy, steady heartbeat, as well as possible clues to future treatment of devastating heart ailments. Washington State University ...

TALLAHASSEE, Fla. -- Scientists peering into the beating heart have solved a decades-old, fundamental mystery about how the heart works. The revelation could herald the development of new treatments ...