Meaning of SAINT IGNATIUS' ITCH

WordNet Dictionary
	Definition:		[n]  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
	Synonyms:		Alpine scurvy, maidism, mal de la rosa, mal rosso, mayidism, pellagra
	See Also:		avitaminosis, hypovitaminosis