While it is well known that a diet with adequate fiber assists in keeping people “regular,” eating the right amount of fiber also helps to avoid disease and disability into old age. Increased dietary fiber may also reduce the risk of developing type-2 diabetes and has been shown to lower blood pressure. Researchers explored the relationship between carbohydrate nutrition and healthy aging, examining total carbohydrate intake, total fiber intake, glycemic index and sugar intake. Fiber made the greatest difference in “successful aging.”