Which deficiency disease produces the symptoms known as the 4Ds?
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5 min read
Between 1906 and 1940, pellagra was a national epidemic in the United States, causing over 100,000 deaths before its nutritional origin was fully understood. The answer to the question, **which deficiency disease produces the symptoms known as the 4Ds?**, is pellagra, a serious condition resulting from a severe lack of vitamin B3 (niacin).
