This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Acute coronary syndrome, Subject name: Medicine
[{'content': 'Coronary aery disease is associated with all except? \nSelect and explain. \nA. Chlamydia, B. Poor dental hygiene, C. Smoking, D. Alcohol', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Alcohol in mild amounts has been shown to have a beneficial effect on thehea. Studies have shown chlamydia and poor dental hygiene as incriminating factors for atherosclerosis. Red wine contains siuin that increases levels of H.D.L and increases longevity.', 'role': 'assistant'}]