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大麻及其活性成分D-9-THC一直被当成止痛药物,但在找到科学依据之前,用大麻止痛仍然存在争议。英国科学家Ian D.Meng及其同事报道说,他们发现了一个大脑干区域,
Cannabis and its active ingredient D-9-THC have been used as analgesics but it is still controversial to use cannabis to stop pain before finding scientific evidence. British scientist Ian D. Meng and his colleagues reported that they found a brain stem area,