I think the whole "you have to have 8 glasses a day" has been debunked, but I don't think we need to drink *less* water. I think as a whole, most people don't drink enough.
Actually, I use the word "drink", but possibly consume might be more accurate. It's true that when eating healthily we get a lot of water from our diets as well as the liquid we actually drink, but the average Americans' diet consists of very little fruit and veg and a lot of salty processed foods - which doesn't contain a lot of the water our body needs to function.
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