Over the course of evolution, the human heart has largely lost its ability to regenerate. Our distant ancestors were not ...

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 ...

The human heart has the ability to repair itself, scientists have found, in a breakthrough that could provide a lifeline for hundreds of thousands of patients.