The latent period for improving oesophageal, pancreatic, brain and lung cancer was about five years of aspirin taking on a daily basis.For stomach and colorectal cancer the effects took ten years and for prostate cancer about 15 years.
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,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。
The researchers also found that small daily doses of aspirin were enough, and that taking more than 75mg conferred no additional benefits.
研究者还发现,每天服用小剂量的阿司匹林就已足够,剂量超过75mg后不会再增加效果。
Those starting on aspirin in their late 40s or 50s benefit most.
那些从四五十岁末就开始服用阿司匹林的人得到的效果最好。
Current guidelines on using aspirin for reducing the chances of a stroke or heart attack rightly warn of the small risk of ulcers and of dangerous bleeding in the stomach.
目前在用阿司匹林治疗中风或者心脏病时,用药说明上会明确提醒有可能出现溃疡和危险性胃出血。
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