Behavioral & Cognitive Disorders
Aug. 07, 2022
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Cutaneous features of alcoholic pellagra. Note the swollen, roughened, and mottled pigmentation of the skin. In this patient, pellagra was due to a niacin deficiency brought on by malnutrition, which was exacerbated by this alcoholic patient’s poor nutritional intake. (Photograph by Robert Sumpter, US Centers for Disease Control, 2014. CDC Public Health Image Library. Public domain.)