健康人需要小剂量服用阿司匹林？

 New recommendations on taking aspirin are likely to stir up debate among doctors.

 服用阿司匹林的建议一经发布便在医学界引发激烈的探讨。

 They suggest that some people who haven't already had a heart attack

 该工作组称，一些未患心脏病的人，

 should take a daily low-dose aspirin to prevent heart attacks and stroke, as well as colon cancer.

 应该每天服用低剂量的阿司匹林以预防心脏病、中风以及结肠癌等疾病。

 The recommendations from the U.S. Preventive Services Task Force are likely to be controversial

 美国预防医学工作组的这一建议在业界倍受争议，

 because even low doses of aspirin can cause sometimes deadly internal bleeding — both in the stomach and intestines and in the brain.

 因为即使低剂量的阿司匹林也会引发致命的内出血——胃出血、肠道出血或者脑出血。

 It"s not easy to tell who's at risk and the bleeding often doesn't cause symptoms.

哪些是高危人群是很难判断而且出血通常不会引发什么症状。

多多阅读英语文章，有助于提高英语口语应用能力，学习文章中人物在适当的情景运用适当的词语，是阅读英语文章的主要目的，可以大大提升学习英语口语的效率。线上英语，学习英语口语的最佳选择。