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: Medicine
[{'content': 'All of the following predispose to IHD except \nSelect and explain. \nA. Smoking, B. Alcoholism, C. Sedentary habits, D. Diabetes', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]