Duke University's Dr. Eric Westman answers viewer questions about the Atkins diet during a live "Office Hours" webcast interview, January 19, 2012. Westman is the director of the Duke Lifestyle Medicine program and co-author of "The New Atkins for a New You." Moderating is James Todd from Duke's Office of News and Communications. Learn more at https://www.youtube.com/user/course?list=EC6364432484957D4B.