“Despite the seemingly ubiquitous admonition to “drink at least eight 8-ounce glasses of water a day”, rigorous proof for this counsel appears to be lacking. This review sought to find the origin of this advice (called “8 x 8” for short) and to examine the scientific evidence, if any, that might support it.
No scientific studies were found in support of 8 x 8. Rather, surveys of food and fluid intake on thousands of adults of both genders – analyses of which have been published in peer-reviewed journals – strongly suggest that such large amounts are not needed”. (/.)
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