A long-term follow-up of patients showed that the 20-year risk of cancer death remained 20%lower in those who had taken aspirin.
一项长期的病情跟踪报告显示,那些服用阿司匹林的患者的20年内的癌症死亡风险比那些不服用的低了20%。
The study revealed that the effect takes time to accrue, so aspirin must be taken over a longperiod.
这项研究揭示了阿司匹林的效果是随着时间而递增的,所以必须长期服用才行。
The latent period for improving oesophageal, pancreatic, brain and lung cancer was aboutfive years of aspirin taking on a daily basis.
每日服用阿司匹林对改善食管癌,胰腺癌,脑癌和肺癌的潜伏期为5年,
For stomach and colorectal cancer the effects took ten years and for prostate cancer about 15years.
对胃癌和结直肠癌则要花10年才能起作用,而前列腺癌则要15年。
The means by which aspirin prevents cancer is not well understood.
这意味着目前还不清楚阿司匹林到底是怎么预防癌症的。
It is believed that it inhibits an enzyme that promotes cell proliferation in tumours.
研究人员认为阿司匹林阻碍了一种在肿瘤内部促进细胞增殖的酶的活动。
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