Caroline Apovian, M.D., is the director of the Center for Nutrition and Weight Management at Boston Medical Center, a nutritional consultant for NASA, and a professor at the Boston University School of Medicine. She has treated thousands of patients over her career as a physician nutrition specialist. She also spends part of her time conducting clinical research on fat cells and new ways to help people lose weight.

"You may not be able to control your genes, but you can control your environment."

See how Dr. Apovian helps you separate fact from fiction.