Pellagra
WordNet

noun


(1)   A disease caused by deficiency of niacin or tryptophan (or by a defect in the metabolic conversion of tryptophan to niacin); characterized by gastrointestinal disturbances and erythema and nervous or mental disorders; may be caused by malnutrition or alcoholism or other nutritional impairments
WiktionaryText

Noun



  1. A disease primarily caused by a niacin deficiency.
 
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