Marcia Herrin, Ph.D., is the founder and co-director of the Dartmouth College Eating Disorders Prevention, Education, and Treatment Program. She also has a private practice specializing in eating disorders. Herrin received her doctorate in nutrition from Columbia University. She has been featured in "People "magazine and has appeared on "The Today Show "and "48 Hours," She lives in Enfield Center, New Hampshire. Nancy Matsumoto was a staff correspondent for People magazine for eight years and has been a contributor to "Time," "Newsweek," and the "Los Angeles Times," She lives in New York C...