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瑞典哥德堡大学研究发现,服用非处方止痛药是导致慢性头痛的重要原因。据瑞典《每日新闻》报道,研究人员随机选择了4.5万人,
Gothenburg, Sweden study found that taking over-the-counter painkillers is an important cause of chronic headache. According to the Swedish “Daily News” report, researchers randomly selected 45,000 people,