Dr. Bush is one of the most influential medical voices around hydration and a triple board-certified physician specializing in Internal Medicine, Endocrinology and Metabolism, as well as in Hospice and Palliative care. The director of M Clinic in Virginia, Dr. Bush has published peer-reviewed articles and book chapters in the areas of infectious disease, endocrinology, and cancer. The breadth of his respected medical research has linked previously unconnected issues, such as gut health, soil health, Altzheimers, autism, and a host of chronic conditions.