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': 'The most impoant modifiable risk factor for Stroke is: \nSelect and explain. \nA. Hyperlipidemia, B. Diabetes mellitus, C. Cigarette Smoking, D. Hypeension', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer is D (Hypeension) Hypeension is the single most impoant, modifiable risk factor for stroke. Treatment of hypeension to desired Blood Pressure is the most cost effective strategy for the prevention of both ischemic and haemorrhagic stroke.', 'role': 'assistant'}]