John J. B. Anderson, BA, MAT, MA, PhD, has been on the faculty of the Department of Nutrition in the Gillings School of Global Public Health at The University of North Carolina at Chapel Hill since 1972. He has a bachelor's degree in history from Williams College, a master's degree in education from Harvard University, a master's degree in biology from Boston University, and a doctorate in physical biology (biochemistry) from Cornell University, Ithaca, New York. His research career has centered on the linkages among nutrients, hormones, lifestyle factors, and bone health. He has published several books and written approximately 150 scientific articles. He is currently on the editorial boards of several journals, including the British Journal of Nutrition, Journal of Bone and Mineral Research, Osteoporosis International, and Nutrition Research.
Marilyn C. Sparling, BS, MA, MPH, RD , LDN, is a registered and licensed dietitian recently retired from Duke University Medical Center in Durham, North Carolina, where she was a clinical dietitian in the outpatient endocrinology division. She graduated from The University of North Carolina at Chapel Hill with a master's degree in public health, focusing on nutrition. She is a long-time professional member of the Academy of Nutrition and Dietetics and the American Diabetes Association. She has coauthored several journal articles on nutrition and health. During her tenure at Duke, she became a certified diabetes educator (CDE), worked as a member of a multidisciplinary medical care team, and provided nutrition education and counseling in osteoporosis, diabetes, lipid disorders, and other chronic medical conditions.
