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: Pathology
[{'content': 'Smoking is not a risk factor for ? \nSelect and explain. \nA. Lung carcinoma, B. Osteoporosis, C. Nonunion of bones, D. Alzhiemers disease', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Alzhiemers disease Smoking is not a risk factor for the development of alzhiemers disease", 'role': 'assistant'}]