Paul Bergner is Director of the North American Institute of Medical Herbalism in Portland, OR. He has studied and practiced natural medicine, medical herbalism, and nutrition since 1973. He has supervised residents in teaching clinics for medical herbalism and clinical nutrition continuously since 1996, mentoring more than 250 clinical graduates, and has published and edited the Medical Herbalism journal since 1989. He has authored seven books on medical herbalism, clinical nutrition, ethnobotany, and naturopathic medicine. Combining information from both nutritional anthropology and biomedicine, he developed a successful protocol for treating insulin resistance between 1997 and 1999, and has been utilizing and teaching the protocol to residents in his teaching clinics since that time. He has lectured on this topic at professional conferences nationally and internationally since 2000.