What is fiber and why is it important?

Fiber is indeed a type of carbohydrate, but it is unique among carbohydrates because it is not digested by the body in the same way as sugars and starches. Instead, fiber passes relatively intact through the digestive system. Its importance is multifaceted, particularly in the context of digestive health. Fiber aids digestion by facilitating regular bowel movements, which helps to prevent constipation. It adds bulk to the stool, making it easier to pass, and can also help to regulate blood sugar levels by slowing the absorption of sugar into the bloodstream.

Moreover, fiber is beneficial for overall health as it can contribute to a feeling of fullness, which may assist in weight management. It has also been linked to a reduced risk of various chronic diseases, including heart disease and type 2 diabetes. Thus, the understanding of fiber as a vital component of a balanced diet, particularly for digestive health and disease prevention, is well-supported by nutritional science.