Image by Getty / FuturismScientists are working on turning back the clock on human hearts, allowing patients to grow new heart muscle even after cardiac injury.As the Wall Street Journal reports, these treatments could represent new hope for patients with heart disease, even after suffering a heart attack.However, scientists still have a lot to prove, and clinical trials of such treatments in humans are still many years out. Whether any of them turn out into viable ways to treat heart disease, the leading cause of death in the US, remains…
