The first signs of niacin deficiency are all of the followin

The first signs of niacin deficiency are all of the following EXCEPT: dermatitis anorexia indigestion weakness

Solution

Ans b anorexia

Pellagra is caused due to niacin deficiency. Symptoms are commonly referred as 3 D\'s, that include dermatitis, dementia and diarrhea.

Pellagra can be a secondary complication of anorexia.