Scientists have created a three-dimensional "heart-on-a-chip" (HOC) that could provide a breakthrough in the fight against the world's leading cause of death, cardiovascular disease. One major ...

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 ...

Your lower legs do much more than just keep you upright and moving through the day. Science reveals that your calf muscles ...

Some heart failure patients with artificial hearts have been able to regenerate heart muscle, potentially paving the way for future heart failure treatment options, according to a study published Nov.

February is American Heart Month, with a focus on encouraging all of us to make heart-healthy choices to reduce ...

Growing evidence shows that building muscle strength can have benefits for your heart, even leading to better outcomes after a heart attack. Having a higher level of leg muscle strength appears to be ...

Large, human cardiac-muscle patches created in the lab have been tested, for the first time, on large animals in a heart attack model. This clinically relevant approach showed that the patches ...

Researchers from the group of Jeroen Bakkers at the Hubrecht Institute (KNAW) have found that the muscle cells in the heart of zebrafish change their metabolism, the way in which they generate energy, ...

Heart disease was responsible for about 1 in every 5 female deaths in 2023. But a Dallas surgeon says more awareness can help ...

Researchers have shown that cardiac scar tissue (fibroblasts) can be directly reprogrammed to heart muscle cells (cardiomyocytes) in mice. By treating mice post-heart attack with a virus carrying ...