Efforts to use stem cells to help revitalize hearts damaged by heart attack got a boost from three studies presented Monday at the annual meeting of the American Heart Association…Study co-author Dr. Robert Simari, a cardiologist at the Mayo Clinic in Rochester, Minn., agreed. "We are modifying our prior enthusiasm for bone marrow stem cells and developing some framework for their use," he explained.

HealthDay, Denise Mann, 11/16/11

Tags: Cardiology