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A comment on Milk, orange juice, pedialyte more hydrating than water.

Re:Milk, orange juice, pedialyte more hydrating than water by Havoc on Sunday July 03, 2016 @09:19AM (#12025922)
>After all, if you drink a cup of water and then immediately excrete half that amount in your urine, you haven’t added eight ounces to your water supply, but only four.

Seems like pretty flawed reasoning to me. The aim isn't to keep the liquid inside of you as "water supply".

Unless you're dehydrated in the serious sense (survival situation, diarrhea etc) there isn't really any need to drink something special. The body does an entire satisfactory job of balance electrolytes and getting rid of waste via urine if you just drink enough water.

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Re:Milk, orange juice, pedialyte more hydrating than water by JshWright on Sunday July 03, 2016 @09:44AM (#12026017)
Exactly... If you drink 8oz of water, and your kidneys got rid of 4oz, it's because you didn't need those 4oz (or because your kidneys needed to use that water to carry other stuff away with it).
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