Final answer:
The National Research Council and Surgeon General have determined that the typical American diet is too high in complex carbs and fiber. Fiber plays an important role in maintaining the health of the gastrointestinal tract and reducing the occurrence of colon cancer.
Step-by-step explanation:
The National Research Council and Surgeon General have determined that the typical American diet is too high in complex carbs and fiber. Carbohydrates should be supplemented with proteins, vitamins, and fats for a well-balanced diet.
Fiber plays an important role in maintaining the health of the gastrointestinal tract and helps fill you up without providing too many calories. It also helps remove excess cholesterol from the body and reduces the occurrence of colon cancer.