Abstract: Information presented for diabetics, physicians, and medical students on lifestyle modification offers the view that such modification can reverse metabolic disorders and reduce diabetes symptoms. The material covers the diabetic disease process and the need for nutritional support, and offers a diversified therapeutic rotation diet. Attention is given to the importance of fiber in the diabetic diet, and the relationship of chromium to diabetes. The effects of various nutrients on allied diseases are addressed in detail, covering: vitamin B6 and cardiovascular disease (CVD) and cholesterol; vitamin E and diabetic CVD; minerals and CVD; vitamin C therapy in degenerative and infectious diseases; the potential of epicosapentaenoic acid, gamma-linolenic acid, and prostaglandins in the prevention and treatment of CVD. A physician's guide to bio-ecologic examination and treatment, and a discussion of the resistance of the medical community to bio-ecological therapy, are appended. (wz).