Murdock Mind, Body, Spirit Series: Featuring clinical researcher, author, and health advocate Dr. Neal Barnard, M.D. Dr. Barnard is the founding president of the Physicians Committee for Responsible Medicine (PCRM) and an adjunct associate professor of Medicine at the George Washington University School of Medicine and Health Sciences. He is the author of fifteen books, including best-selling titles Power Foods for the Brain, 21-Day Weight Loss Kickstart, and Dr. Barnard’s Program for Reversing Diabetes.