Social & Preventive Medicine A chronic alcoholic was complaining of loss of appetite and pain in lower legs. On examination his gate was ataxia. He is suffering from deficiency of A Niacin B Riboflavin C Thiamine D Folate 💡 Explanation A chronic alcoholic was complaining of loss of appetite and pain in lower legs. On examination his gate was ataxia. He is suffering from deficiency of ✓ Correct Answer: C. Thiamine