Pellegra is a deficiency disease for
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Vitamin A
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Vitamin K
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Vitamin D
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Vitamin B3
D
Correct answer
Explanation
Pellagra is caused by Vitamin B3 (Niacin) deficiency. It is characterized by the '3 Ds' or '4 Ds': dermatitis, diarrhea, dementia, and death if untreated. It was common in populations dependent on corn as a staple food.