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Most Americans have heard that they should drink eight glasses of water a day to stay hydrated, but there is surprisingly little data to support this advice. 大多数美国人都曾听说日饮八杯水对补水的重要性。出人意料是，这个建议基本没有任何数据支持。 But now, a new “beverage hydration index” provides evidence-based suggestions for how to most efficiently hydrate. The index was developed from a British study published in December that tracked how long 13 common beverages remain in the body after being consumed. 但现在，新出台的“饮品补水指数”为高效补水的方式提供了有证据的建议。这项指数基于2015年12月英国发布的一项研究，追踪记录了13种常见饮品在被摄取后停留人体的时间。 “In the last 25 years, we’ve done many studies on rehydration after exercise,” said Ronald J. Maughan, a hydration expert from Loughborough University, and lead author of the study. “We thought it was time to look at hydration in typical consumers who aren’t exercising.” “在过去的25年中，我们针对运动后人们的补水状况进行了许多研究，”罗纳德•J•莫恩说道，他是拉夫堡大学的补水研究专家，同时也是这项研究的主要作者。“我们认为是时候研究不运动人群的补水状况了。” 喝牛奶竟比喝水解渴?炎炎夏日教你正确补水 | 
