Therefore, the Dietary Guidelines for Americans, 2010 is intended for Americans ages 2 years and older, including those at increased risk of chronic disease.

因此美国膳食指南2010主要是帮助大于2岁的美国人，包括那些患慢性病危险加大的人。

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The guidelines, announced last year, suggest aspirin for certain men 45 to 79 years old with elevated heart-disease risk because of factors like cholesterol levels and smoking.

这份去年出炉的指南建议，对某些45至79岁、心脏病风险因胆固醇水平或吸烟而升高的男性来说，应该服用阿司匹林。

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The recommendations update the panel's previous guidelines from 2002, which were more broadly written. Those suggested aspirin use for people of any age who were at elevated risk of heart disease.

指南是工作小组2002年指南的更新，当时的指南写得更为泛泛，建议任何年龄段心脏病风险升高的人都要服用阿司匹林。

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Two years ago, the Centers for Disease Control released its first ever Physical Activity Guidelines for Americans.

VOA: special.2010.06.08

The Centers for Disease Control and Prevention has released guidelines for using other antibiotics: doxycycline and amoxicillin.

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The U.S. Centers for Disease Control and Prevention provides national guidelines for dental offices to help prevent the spread of infections.

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Here are some guidelines from the Centers for Disease Control and Prevention, the American Academy of Pediatrics and the Pennsylvania Medical Society.

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