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Illustrated Health Encyclopedia
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Ency. home > Disease > P > Pellagra

Pellagra   

Overview

Alternative names:

Vitamin deficiency - niacin; Deficiency - niacin

Definition:

A disease caused by a deficient diet or failure of the body to absorb niacin (one of the B complex vitamins) or an amino acid (tryptophan). Common in certain parts of the world (in people consuming large quantities of corn), the disease is characterized by scaly skin sores, diarrhea, mucosal changes, and mental symptoms (especially a schizophrenia-like dementia). It may develop after gastrointestinal diseases or alcoholism.

Ency. home > Disease > P > Pellagra

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