If you are asked for advice on whether diets high in fiber can reduce colon cancer risk, what would you reply?

Question

a. Scientific evidence proves that low-fiber diets cause colon cancer, so fiber should be included in everyone's diet.
b. You cannot eat enough fiber to receive the benefit, so you need to also include fiber supplements.
c. Fiber does not play any role in the health of the colon, so it is not necessary to include large amounts in the diet.
d. Fermentation of fiber in the colon provides small fat molecules that may activate cancer-destroying mechanisms.
e. The cholesterol-lowering properties of fiber are beneficial for lowering the risk of both heart disease and colon cancer.

Answer 1

d