A stem cell heartbeat for Valentine’s day:

These heart muscle cells are created from embryonic stem cells. Although on most days they don’t beat in time to music, they do hold promise for mending broken hearts.

Read about these and other stem cells that could be used to treat heart damage after heart attacks, or repair damage in kids born with heart defects on our heart disease fact sheet.

A.A.

(Video magic by Todd Dubnicoff)