Linda Kelly DeBruyne, M.S., R.D., received her B.S. and M.S. degrees in nutrition and food science from Florida State University. She is a founding member of Nutrition and Health Associates, an information resource center in Tallahassee, Florida, where her specialty areas are life cycle nutrition and fitness. Her publications include the textbooks NUTRITION FOR HEALTH AND HEALTH CARE, NUTRITION AND DIET THERAPY and HEALTH: MAKING LIFE CHOICES. She is a registered dietitian nutritionist and maintains a professional membership in the Academy of Nutrition and Dietetics. Linda Kelly DeBruyne, M.S., R.D., received her B.S. and M.S. degrees in nutrition and food science from Florida State University. She is a founding member of Nutrition and Health Associates, an information resource center in Tallahassee, Florida, where her specialty areas are life cycle nutrition and fitness. Her publications include the textbooks NUTRITION FOR HEALTH AND HEALTH CARE, NUTRITION AND DIET THERAPY and HEALTH: MAKING LIFE CHOICES. She is a registered dietitian nutritionist and maintains a professional membership in the Academy of Nutrition and Dietetics. Kathryn Pinna, Ph.D., received her M.S. and Ph.D. degrees in nutrition from the University of California at Berkeley. She taught nutrition, food science, and human biology courses in the San Francisco Bay Area for over 25 years and also worked as an outpatient dietitian, Internet consultant, and freelance writer. Her publications include the textbooks NUTRITION FOR HEALTH AND HEALTH CARE, UNDERSTANDING NORMAL AND CLINICAL NUTRITION and NUTRITION AND DIET THERAPY. She is currently a member of the American Society for Nutrition and the Academy of Nutrition and Dietetics.