What is the role of fiber in the diet?

• A. Increases calorie intake
• B. Aids digestion and helps maintain healthy weight
• C. Boosts protein absorption
• D. Provides immediate energy

Answer: (B)

Fiber plays a vital role in maintaining overall digestive health and supporting weight management. It aids digestion by adding bulk to the stool, which helps to promote regular bowel movements and prevent constipation. This bulkiness can also enhance the feeling of fullness after meals, which can aid in weight control by preventing overeating. Furthermore, fiber helps regulate blood sugar levels by slowing down the absorption of sugars, offering a steady source of energy rather than a spike.

In contrast, the other options describe functions that do not align with the role of fiber. Increasing calorie intake is contrary to fiber's ability to support weight management, as fiber is typically low in calories. While fiber does not boost protein absorption, it can coexist with protein in a balanced diet. Additionally, fiber does not provide immediate energy; that function is primarily served by carbohydrates and fats. Understanding these roles helps to appreciate the importance of including adequate fiber in one's diet for both health and well-being.