Researchers at Harvard University found that drinking five cups of black tea a day quadrupled the body's immune defense system after two weeks, probably because of theanine.

哈佛大学的研究人员发现，每天喝五杯红茶，两星期后身体的免疫防御系统会增强四倍，这可能是茶氨酸的功劳。

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In fact, caffeine is so popular, it is considered the most common central nervous system stimulant consumed globally, with more than 80 percent of caffeine consumed through coffee drinking.

事实上，咖啡因非常普遍，它被认为是全球消费最常见的中枢系统兴奋物质，80%的咖啡因的摄入是通过喝咖啡。

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A World Bank statement said there were growing signs of a severe public health crisis because of a shortage of drinking water and a growing failure of the sewage system.

一份世界银行的声明表示，因为缺乏饮水，更多的污水处理设施失效，严重的公众健康危机日益严峻。

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The water system provides drinking water for 42 million people and is a defining characteristic of the states and provinces along its borders.

NPR: Governors Meet on Access to Great Lakes

To describe the prevalence of binge drinking, the CDC analyzed data from its 2011 Behavioral Risk Factor Surveillance System, an annual telephone survey, and the national 2011 Youth Risk Behavior Survey, an anonymous questionnaire completed by high school students nationwide.

CNN: CDC: 1 in 5 high school girls binge drink

The partial LIRR drinking ban complicates an already patchwork system of rules about when and where transit passengers in the region can and can't imbibe.

WSJ: End of the Line for Midnight Drinkers