Newsmaker: Dr. Joe Schwarcz discusses fad diets
Published Monday, January 7, 2013 3:07PM EST
Fad diets have been around for thousands of years, but they never work.
Dr. Joe Schwarcz explains how the ancient Greeks used to run naked through the streets to lose weight. However about 50 years ago people began dieting to look better, instead of being concerned about their health or fitness.