Studies Suggest That the Incidence of Colon Cancer May Be

Multiple Choice

Studies suggest that the incidence of colon cancer may be lowered with high fiber diets.How might this be explained?

A) Fiber decreases contact between mucosal cells and colonic contents.
B) Fiber decreases transit time.
C) Fiber containing foods are usually high in phytochemicals and antioxidant vitamins.
D) All of these statements are true.