不过这些结论大多都是在观察研究的基础上的,因而有可能产生误导。
The gold standard of scientific evidence is the randomised controlled trial, preferably one with a lot of people and held over a long time.
国际上科学证据的标准是由随机对照实验得出的结果,尤其是那些有很多人参与又经过很长时间的实验。
The results of just such a trial, published in the Lancet, suggest that aspirin is indeed an astonishing drug.
而就是这样一份发表在《柳叶刀》上的论文表示阿司匹林的确是一种让人吃惊的药物。
Peter Rothwell at the John Radcliffe Hospital in Oxford and his colleagues looked at deaths due to cancers during and after randomised trials of daily aspirin.
来自牛津的约翰·拉德克里夫医院的彼得·罗思韦尔(Peter Rothwell)和他的同事们研究了在每日服用阿司匹林的随机对照实验期间或者之后因癌症而死亡的病例。
The trials had actually been started to look at how useful aspirin was for preventing heart attacks and strokes. Nevertheless, the data from the 25,570 patients enrolled in eight trials was also revealing about cancer.
这一实验本是为了研究阿司匹林在防止心脏病和中风方面的疗效的,然而八项试验25570名患者的数据也揭示了阿司匹林对于癌症的疗效。
In trials lasting between four and eight years, the patients who had been given aspirin were 21% less likely to die from cancer than those who had been given a placebo.
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