CNN Sanjay Gupta MD May 26, 2013 11:58:00
A key part of this whole thing is dr. roberto bali, he's a cardiologist born in italy and he found his life's work right here in the united states. >> the problem with the heart attack is that if certain region of the heart dies because of lack of oxygen and is replaced by a scar. they develop heart failure due to the loss of muscle. i was starting medical school and everybody else would start until recently, well, that's too bad. the first trial ever of cardiac stem cells ever in patients. and what we found was that already at four months after infusing these stem cells there was a remarkable...