This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Consumption of which of the following may lead to pellagra? 
Select and explain. 
A. Jowar, B. Ragi, C. Bajra, D. All of the above
A: Jowar
Answer: A: Jowar 
Explanation: Ceain varieties of Jowar have high concentrations of leucine and may lead to pellagra. Ref: Park, 22nd edition pg: 582