It covers 71% of the earth's surface, makes up at least 70% of every human body and is needed for the survival of every known form of life. You'd think water would get a little more attention than it does. In the middle of our complex, fine-tuned health strategies, we tend to forget that sometimes the most useful tools are the simplest, the ones we take for granted. Water is the best example of this-we drink it without realising what it does for us. Saying water is essential for your health is a no-brainer, but sometimes it's necessary to remind ourselves exactly how powerful a health drink water is. Here's a handy guide to hydro happiness.
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