Title page from the 2nd volume of Gaetano Strambio’s De Pellagra. Click here to view all 3 volumes. Pellagra, a nutritional deficiency disease caused by the lack of vitamin B3 (niacin) in the diet, is characterized by the four-d’s: dermatitis, diarrhea, dementia, and in some cases death. It is a global disease affecting[…]
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