After birth, the human heart loses its regenerative capacity almost completely. Damage to the heart muscle—for example, due to a heart attack—therefore usually leads to a permanent loss of function in ...

Researchers have transplanted precursor stem cells into the damaged heart muscle of pigs, repairing injured cells and improving heart function. The study may lead to a treatment that can regenerate ...

New injection helps body produce heart protecting hormone for weeks after heart attack, improving recovery potential.