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Fiber - Overview

Alternative Names

Diet - fiber; Roughage; Bulk

Definition of Fiber:

Fiber is a substance found in plants. Dietary fiber -- the kind you eat -- is found in fruits, vegetables, and grains. It is an important part of a healthy diet.

Function:

Dietary fiber adds bulk to your diet. Because it makes you feel full faster, it can be helpful in controlling weight. Fiber aids digestion, helps prevent constipation, and is sometimes used for the  treatment of diverticulosis, diabetes, and heart disease.

  • Reviewed last on: 7/22/2010
  • Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Slavin JL. Position of the American Dietetic Association: health Implications of Dietary Fiber. J Am Diet Assoc. 2008;108: 1716-1731.

Burleson K. Coronary artery disease. In: Rakel D, ed. Integrative Medicine. 2nd ed. Philadelphia, Pa: WB Saunders; 2007:chap 28.

Park D, Ring M. Peripheral vascular disease. In: Rakel D, ed. Integrative Medicine. 2nd ed. Philadelphia, Pa: WB Saunders; 2007:chap 29.

Underbakke G, McBride P. Dyslipidemias. In: Rakel D, ed. Integrative Medicine. 2nd ed. Philadelphia, Pa: WB Saunders; 2007:chap 40.

Hanaway P. Irritable bowel syndrome. In: Rakel D, ed. Integrative Medicine. 2nd ed. Philadelphia, Pa: WB Saunders; 2007:chap 41.

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