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" The &amp;quot;You Do Not Have to Drink 8 Glasses of Water a Day&amp;quot; headline has been floating around for awhile. But &amp;quot;8 before 8&amp;quot; is so catchy, and water isn&amp;#039;t going to kill us, so we drink. Always hydrate, right?  Maybe this video from Adam Ruins Everything will make us reconsider. Insane as this may seem, our bodies actually evolved a highly accurate, physiological response to dehydration thousands and thousands of years ago. It&amp;#039;s called &amp;quot;thirst.&amp;quot; You may be familiar.        According to the exercise physiologist in the video, as long as we drink when we&amp;#039;re thirsty, we&amp;#039;ll be just fine. The reason that completely sensical, not at all ridiculous idea does seem ridiculous is probably because beverage companies constantly overload us with &amp;quot;hydrate or else&amp;quot; messages. How many times have you seen an athlete chugging Gatorade with an orange sweat drop running down his or her face? If you Google &amp;quot;how much water should I drink,&amp;quot; an ad for Nestle Pure Life Water is the first search result.   Also, you can actually over-hydrate while exercising, but you never hear about that.  We don&amp;#039;t need to quantify our daily water intake. We just need to keep water around for when we&amp;#039;re actually thirst. Which, after reading this article, is probably right now.  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.esquire.com/lifestyle/health/videos/a48273/8-cups-water-myth/>