You're Probably not Dehydrated: The Eight Glasses of Water a Day Myth
How much water should you drink every day? Not as much as you've been told. This summer, like many summers before it, has seen a rash of articles warning us not only that is dehydration is dangerous, but that it is also ubiquitous. Real dehydration, when your body has lost a significant amount of water because of illness, excessive exercise or sweating, or an inability to drink, is a serious issue. But people with clinical dehydration almost always have symptoms of some sort.
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This is fantastic. Being in a medical field gives you a different perspective and it is often easier to nod and agree with folks when they say things about health and nutrition than to argue using scientific truths. Most mythology about health is dogmatic and people take it personally when it is challenged. This was well thought out and would be difficult to argue effectively against it and simultaneously be offended in any way.
In that case, I'll keep drinking lots of water anyway.