Hearts Can Regrow Muscle After Damage | Science News

Science News Today | 2 Min News | The Daily News Now! · Sep 11, 2026 · 1m

Scientists just uncovered that human hearts can regenerate muscle cells after a heart attack — a game-changing discovery that flips the script on what we thought was permanent damage. While scars remain, new cells are naturally forming, offering hope to unlock treatments that could truly repair hearts instead of just managing damage. Researchers used real human heart tissue from surgery patients, giving unprecedented insight into how hearts heal in living people. This breakthrough opens a new frontier for reversing heart failure and one day restoring hearts to full function. Listen in…