By: Jean Gutierrez, PhD, RD, CSCS Taking in loads of dietary fibers, which are found in natural foods like fruits, vegetables, legumes and whole grain cereals reduces the risk of diabetes and cardiovascular disease.1 As an added bonus, epidemiologic studies provide evidence that high dietary fiber intake prevents obesity and is inversely related to body weight.For instance, one study of 2909 participants (CARDIA) looked at the relationship between dietary fiber intake and weight gain over ten years.1 Participants with fiber intakes in the highest 1/5 of the study group had body weights that were significantly lower than those in the lowest 1/5 of fiber intake. Liu et al.2 used data from The Nurses Health Study, a study of 74,091 nurses over time, to show that women who increased dietary fiber the most gained about 3...