The American Heart Association is using National Nutrition Month to help spread the word about the important role your diet plays in reducing your risk for a heart attack or stroke. In my new book, Optimize Your Heart, I spend a fair amount of time explaining caloric intake, macronutrients, micronutrients, fiber, water, etc, etc. I even point to the DASH diet as a great guide for anyone who needs structure and discipline in their diet. That said, even just a small change can be all you need to s...