Essential Biochemistry - Vitamins (Section 5 - No. 50)
Which of the following is NOT a symptom of a deficiency of Niacin?
Dermatitis
Dementia
Diarrhea
Sore gums
ব্যাখ্যা
Sore gums aren't directly linked to niacin deficiency, but can be related to Vitamin C deficiency.