Multiple choice general knowledge

What does niacin deficiency cause ?

  1. Acne

  2. Scurvy

  3. Pellagra

  4. Dermatomyoma
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Niacin (Vitamin B3) deficiency causes pellagra, characterized by the classic '4 Ds': Diarrhea, Dermatitis (skin inflammation), Dementia, and Death if untreated. It's common in populations relying heavily on corn-based diets without proper processing.

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