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Food as Medicine: Fiber facts 

August 19, 2024

Food as Medicine: Fiber facts 

Dietary fiber, also known as roughage or bulk, is a type of carbohydrate that the body cannot digest. Unlike other carbs, which are broken down into sugar molecules, fiber passes through the digestive system relatively intact. This characteristic makes it essential for maintaining a healthy digestive system.

There are two types of fiber, and each behaves differently in the body.

Water soluble fibers: These mainly increase the bulk and softness of the stool by absorbing water as they go through the digestive tract. Examples are whole grains, wheat bran, brown and wild rice, as well as fruits and vegetables.

Water insoluble fibers: These dissolve in water and form gel-like substances in the digestive tract. They help to increase satiety, improve blood sugar control, and decrease cholesterol levels. Examples are all types of beans, oats, psyllium seed, fruits and vegetables.

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