There's a simple skin test you can do to tell if you're drinking enough water

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It's easy to forget to drink enough water, but now that summer is approaching, it's especially important that we keep our bodies hydrated. If you don't drink enough, you can get headaches, feel nauseated, and find it hard to concentrate. Read more - http://www.businessinsider.com/skin-test-drinking-enough-water-2018-5