Mark Stengler, MD, America's Natural Physician' is a licensed naturopathic physician, bestselling author, and lecturer. At his legendary clinic in San Diego, California, he’s helped Olympic gold medalists, Hollywood stars, and CEOs of Fortune 500 companies, and thousands of families achieve better health. He served on a medical advisory committee for the Yale University Complementary Medicine Outcomes Research Project. Dr. Stengler is a frequent contributor to leading health magazines and a popular expert medical source on television, including FOX, CBS, and NBC affiliates. He has also been involved in two PBS documentaries on natural medicine.