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
[{'content': 'Secondary level of prevention is impoant in all of the following except ? \nSelect and explain. \nA. Coronary hea disease, B. TB, C. Leprosy, D. None', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Coronary hea disease For non-communicable disease (e.g. CHD), primordial prevention is best intervention.", 'role': 'assistant'}]