Every year, more than 200,000 people in Germany suffer a heart attack. This is caused by blocked coronary arteries. As a ...

Microscopy image of engineered human heart muscle tissue with a PKP2 mutation, used as a model of ACM. The heart muscle cells are visible in pink and fibrosis (scarring) in green.

A team of scientists from Harvard Medical School and Duke University has created a new kind of tissue that can change heart activity using only light—no wires, no surgery, no harm. This groundbreaking ...

A major heart attack can change the rest of your life. Even when doctors clear a clogged artery in time, your heart may still struggle to bounce back. Damaged muscle often turns into stiff scar tissue ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

Mount Sinai's Cardiovascular Research Institute is sending bioengineered human heart muscle cells and micro-tissues into space for the first time on NASA's 29 th SpaceX commercial resupply services ...

DALLAS, July 17, 2025 — Scar tissue in the heart was associated with abnormal heart rhythms among healthy, long-time male endurance athletes age 50 or older, potentially increasing their risk of ...