Throwing Cold Water on '8 Glass' Theory Do we really need to drink eight glasses of water a day to stay healthy? Two researchers writing in a British medical journal found no evidence to support that longstanding health advice.
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Throwing Cold Water on '8 Glass' Theory

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Throwing Cold Water on '8 Glass' Theory

Throwing Cold Water on '8 Glass' Theory

Throwing Cold Water on '8 Glass' Theory

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Do we really need to drink eight glasses of water a day to stay healthy? Two researchers writing in a British medical journal found no evidence to support that longstanding health advice.

STEVE INSKEEP, Host:

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