“咖啡因的确是利尿剂，不过大部分咖啡饮品中的咖啡因浓度达不到这个效果，”莫恩说，“我们口渴时，喝正常的茶、咖啡或可乐能帮助我们补充水分。”

"It's true that caffeine is a diuretic, but not at the concentration found in most coffee drinks," Maughan said. "When we are thirsty, drinking normal tea, coffee or cola helps to rehydrate us."

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