We're all supposed to drink eight glasses of water a day for proper health -- right? Not so fast. New research suggests that - and other water "truisms" - are less fact than fiction.Researchers from the University of Pennsylvania combed the medical literature for studies on water and found no convincing evidence anywhere that people need eight glasses of water a day. Likewise, there is nothing to prove water helps weight loss or improves skin tone. A lack of water doesn't seem to trigger headaches, either.
Researchers say there might be some health benefits to water that are yet to be discovered. But for now, our so-called water facts are melting away faster than ice on a hot summer's day.
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