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Can heart attack damage be reversed?

Dr. Sanjay Gupta explores whether stem cells can help regrow dead cardiac tissue after a heart attack.

Fri Jul 11, 2014 @ 5:02:31 pm ET via CNN Video
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About

I’m a father of three, a practicing neurosurgeon, and a globe-trotting journalist. Join me as I go beyond the headlines, and offer insight to stories that shape the quality of life for you and your family. FULL BIO

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