Your heart will not just give you fear and uncertainty after a heart attack; it can leave scar tissue that stiffens your ...

Human heart cells have been coaxed into regenerating for the first time in a breakthrough that could mend failing organs.

Mayo Clinic researchers have developed a pioneering method to mend damaged hearts without open-heart surgery, an advance that ...

A naturally occurring gene called Cyclin A2 (CCNA2), which turns off after birth in humans, can actually make new, functioning heart cells and help the heart repair itself from injury, including a ...

Maintaining a stable heartbeat is critical for survival. Your heart must constantly adapt its output to meet changing demands for oxygen and nutrients. Traditionally, scientists have attributed this ...

"Understanding this system better could lead to new insights into heart diseases and help develop new treatments for diseases such as arrhythmias." The study was conducted on zebrafish, an animal ...

Researchers at the Nora Eccles Harrison Cardiovascular Research and Training Institute, University of Utah, and the University of Utah School of Medicine, have demonstrated that a gene therapy can ...

Johns Hopkins Medicine scientists who arranged for 48 human bioengineered heart tissue samples to spend 30 days at the International Space Station report evidence that the low gravity conditions in ...

Science writer Mary Roach is fascinated by the human body, especially, she says, the "gooey bits and pieces of us that are performing miracles on a daily basis." Take the human heart, for instance. If ...