Simplifying the Science of Nutrition

March is National Nutrition Month. New Tennessee Health Commissioner Dr. John Dreyzehner gives some tips on how to change your diet and routine in simple ways, explains the new health officials are looking at the main food groups, and discusses how your body is already set up perfectly for proper diet and nutrition, you just have to recognize what your body is telling you, and put in a little bit of effort to help it along. For additional nutrition information and meal planning assistance, visit, or