Lecture, four hours. Enforced requisites: Chemistry 14A, 14B, 14C, and 14D, or 20A, 20B, 30A, and 30B. Limited to Physiological Science majors and Food Studies minors. Topics include physiological adaptation to starvation and physiological responses to oxidants/antioxidants, vitamins, minerals, photochemicals, and their relationship to common chronic diseases and physiology of fuel utilization during aerobic and anaerobic exercise. Letter grading.