Stem cells were once controversial due to their method of acquisition but the research has advanced and there are new ways to gather stem cells. The benefits of using stem cells to heal are great and Pedram Shojai himself has been using stem cells to help heal a previous hip injury of his under the supervision of this week's guest, Dr. Harry Adelson! How do stem cells work and where are doctors now getting them from? What is the success rate and what can someone using stem cells reasonably expect?