Dr. John Byrne joins Clay and Grant to discuss stem cell therapy.  What are stem cells, what are the legitimate uses for stem cells in medicine, and what about all these "Stem Cell Clinics" that are popping up, claiming to cure anything and everything?

John Byrne is a doctor of Internal Medicine and Pediatrics in private practice in Michigan and is the creator of the Skeptical Medicine website and blog (www.skepticalmedicine.com).