by Cara Roberts Murez, Healthday Reporter An extreme preoccupation with clean eating is an eating order called orthorexia nervosa. Though less well-known than anorexia nervosa or bulimia—and not as well-documented—a new study review says orthorexia can also have serious emotional and physical consequences. “Orthorexia is really more than just healthy eating,” said review co-author Jennifer Mills, an associate professor of health at...