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': 'Which of the following is not a prominent risk factor for stroke? \nSelect and explain. \nA. High blood pressure, B. Elevated cholesterol, C. Smoking, D. Alcohol', 'role': 'user'}, {'content': "Answer: D \nExplanation: Alcohol is not a prominent risk factor for stroke or hea disease but is for cancer and motor vehicle accidents. Ref: Park's textbook of Preventive and Social Medicine, 21stedition, page-37", 'role': 'assistant'}]