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Water: Does Two Litres A Day Pay?

By Dr Michael McCoy

Water - models and countless others apparently drink buckets of it every day. But is there any basis in fact behind the two litres of water a day mantra?

Not if you ask Professor Heinz Valtin. According to a report published in the American Journal of Physiology, the good professor spent 10 months trawling through existing research and couldn't find any evidence that we need to chug down two litres a day.

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