Researchers aim to use light -- not electric jolts -- to restore healthy heartbeats

Wednesday, August 28, 2013 - 15:00 in Physics & Chemistry

When a beating heart slips into an irregular rhythm, the treatment is electric current from a pacemaker or defibrillator. But the electricity itself can cause pain, tissue damage and other side effects. Now, researchers want to replace jolts with a gentler remedy: light.

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