Dr. John Overholt is a board certified allergist at our Hendersonville, Franklin and West Nashville offices. Learn how he got his start in medicine, how his dog Pearl handles the paparazzi and what she thinks of his guitar playing. Dr. John will also cover what goes into deciding to see an allergist, deciding if allergy shots are right for you and what to expect from them, and how to tell if asthma is affecting you or your child.