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 ...

Reintroduction of the Cyclin A2 gene enables adult human cardiomyocytes to divide, producing functional daughter cells and promoting heart repair. The therapy uses a replication-deficient adenoviral ...

A pig heart in a human? Before this year, a surgery like this seemed unlikely, but over 50 years of innovations have made it possible. WIRED spoke with Dr. Brandon Guenthart to understand exactly how ...

Less than a year after the first-ever transplant of a pig heart into a human patient, doctors are reporting that the heart showed unexpected changes in its electrical system before the recipient ...

Can the heart physiology of zebrafish help treat human heart conditions? This is what a recent study published in Biology Open hopes to address as a team of researchers from the University of Utah ...

This is a case of taking a big pollution problem to heart, literally. A study published in the journal Environmental Science and Technology for the first time found microplastics in the hearts of ...

After the baby's parents agreed to the procedure, Fae underwent her transplant on Oct. 26, with PEOPLE writing that "Dr.