As crazy as it may sound to the non-scientist, cells in a patient's jaw may be able to rejuvenate their bad heart. Yi-Gang Wang, MD, PhD, a professor in the Department of Pathology and Laboratory Medicine and former heart surgeon, explains that when we are growing in the womb our facial muscle cells develop near the heart. They eventually migrate to the head and are similar to heart cells. In small animals Wang has taken cells from the animal's facial muscle to the lab, enhanced them and turned