1.   Burkitt and others realized that there were many differences besides fiber intake between Africans and Americans, but the logic behind fiber as a gut protector seemed overwhelming.

2.   -Increase your fiber intake.

3.   It is not hard to increase fiber intake, Stark said.

4.   Most nutritionists say their primary goal is to encourage people to increase their total fiber intake, regardless of the specific type.

5.   To boost your fiber intake, Cheskin recommends that, whenever possible, you choose legumes instead of meat, and whole grains instead of refined products.