High-fiber diet is actually a return to nature and the plant-based diets used by our ancestors since the beginning of time. In fact, our ancestors consumed large quantities of fiber-containing foods such as fruits, vegetables and whole grain products every day.
As technology advanced, however, people began to turn away from these unprocessed healthful foods and began eating more highly processed and fat-laden foods. As a result, the incidence of coronary heart disease, diabetes, and cancers has steadily risen. Almost everyone hears about the need for enough fiber in the diet. But few people understand the importance of dietary fiber.

High-fiber diets have been endorsed by the American Heart Association, the American Dietetic Association, the National Cancer Institute, the National Research Council, and the United States Department of Health and Human Services. Studies show that few Americans get enough fiber in their diet and over a billion dollars a year is spent on laxatives. Fiber intake in the U.S. and other "modernized" countries averages around 12-15 grams a day. But in order to be healthy you need 20 to 35 grams of fiber a day. That's a big difference. It …show more content…
It also helps to maintain healthy cholesterol levels and support a healthy blood sugar balance. It works by slowing down the time it takes food to travel through the digestive tract, which delays the absorption of glucose from the food eaten. High-fiber foods can quickly help normalize blood glucose levels and help people lose weight quickly. Besides reducing the glycemic effect of meals and contributing to colon health, there is evidence that fiber may benefit us in other ways. It seems to help lower cholesterol and triglycerides, and also may help to prevent: Ulcers, Diabetes, Heart Disease and Cancer. Fiber also increases insulin sensitivity, which allows the cells to respond better to insulin and use the glucose effectively for