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 ...

During development, regional dips in oxygen levels serve as a signal that triggers the coordinated growth of heart muscle and ...

When someone has a heart attack, part of the heart muscle loses its blood supply and becomes damaged. The body repairs this ...

Kory Lavine is in the Center for Cardiovascular Research, Washington University School of Medicine, St Louis, Missouri 63110, USA. Anatomically, cardiac rupture occurs at the intersection between ...

People with pockets of fat hidden inside their muscles are at a higher risk of dying or being hospitalised from a heart attack or heart failure, regardless of their body mass index, according to ...

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 ...