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The deficiency of Niacin-a vitamin of B complex group causes the disease _____
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- Marasmus
- Pellagra
- Rickets
- Night blindness
Correct Option: B
Pellagra is a vitamin deficiency disease most frequently caused by a chronic lack of niacin (vitamin B3) in the diet. It can be caused by decreased intake of niacin or tryptophan, and possibly by excessive intake of leucine. It may also result from alterations in protein metabolism in disorders such as carcinoid syndrome or Hartnup disease.
