Explain about the niacin (nicotinic acid) deficiency, Biology

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Explain about the Niacin (nicotinic acid) deficiency?

Niacin (nicotinic acid) deficiency classically results in pellagva, which is a chronic wasting disease associated with a characteristic erythmatous dermatitis that is bilateral and symmetrical, a dementia after mental changes including insomnia and apathy preceding an overt encephalopathy, and diarrhoea resulting from inflammation of the intestinal mucous surfaces. The disease is, therefore, characterized by 3 D's- dermatitis, diarrhoea and dementia.


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