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For a long time, conventional wisdom said that we should drink eight glasses a day.
長久以來，一般觀念都認為我們每天要喝8杯水，
That estimate has since been fine-tuned.
但這個數據已被重新調整過。
Now, the consensus is that the amount of water we need to imbibe depends largely on our weight and environment.
現在的共識是我們需要攝取的水量主要取決于我們的體重及環境。
The recommended daily intake varies from between 2.5-3.7 liters of water for men, and about 2-2.7 liters for women,
建議男性每日水分攝取量在2.5-3.7公升之間，女性則在2-2.7公升之間，
a range that is pushed up or down if we are healthy, active, old, or overheating.
范圍可彈性調整，依照我們是否健康、運動、年老或是否過熱來判斷。
While water is the healthiest hydrator, other beverages,
雖然水是最健康的飲品，但其他飲料，
even those with caffeine like coffee or tea, replenish fluids as well.
甚至含有咖啡因的咖啡及茶也都可以補充體液。
And water within food makes up about a fifth of our daily H20 intake.
食物所含的水約可補充我們每日水分攝取量的1/5。
Fruits and vegetables like strawberries, cucumbers,
水果及蔬菜--像是草莓、小黃瓜，
and even broccoli are over 90% water, and can supplement liquid intake while providing valuable nutrients and fiber.
甚至是花椰菜皆含有超過 90%的水分，在提供有用的營養及纖維同時也能補充液體的攝取。
Drinking well might also have various long-term benefits.
良好的飲水習慣也會帶來許多長遠的效益。
Studies have shown that optimal hydration can lower the chance of stroke, help manage diabetes,
研究顯示理想的水分攝取可以降低中風的機率，協助控制糖尿病，
and potentially reduce the risk of certain types of cancer.
也可能降低某些癌癥的風險。
No matter what, getting the right amount of liquid makes a world of difference in how you'll feel, think, and function day to day.
不管如何，攝取適當的液體量，你身體的感受、思考及日常作業將會有很大的改善。
