Eating a diet that is rich/hig h in fiber has many potential health benefits, including a decreased risk of heart disease, stroke, and type 2 diabetes. Because high-fiber foods may be healthy for reasons other than their fiber content, the research has not always been able to determine if a fiber is a healthful component. A high-fiber diet is a commonly recommended treatment for digestive problems, such as constipation, diarrhea, and hemorrhoids, although individual results vary widely, and the scientific evidence supporting these recommendations is weak. Fiber is normally found in beans, grains, vegetables, and fruits.

However, most people do not eat as much fiber as is commonly recommended. Dietary fiber intake provides many health benefits. However, average fiber intakes for US children and adults are less than half of the recommended levels. Individuals with high intakes of dietary…