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JAN 10, 2014 - Huffington Post

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13 Things You Probably Don't Know About Tears

Crying. Sobbing. Blubbering. Whatever you call it, from the time we're babies, we all do it. And, while many animals shed tears, emotional tears seem to be a uniquely human experience. "Tears are necessary to keep the eyeball moist, and contain proteins and other substances which maintain the eye healthy and to combat infection," Michael Trimble, author of Why Humans Like To Cry, told Scientific American. "Humans cry for many reasons, but crying for emotional reasons and crying in response to aesthetic experiences are unique to us." And whether it's tears of joy or sorrow, the moments that ... Read More

Tags: 13 Things You Probably Don't Know About Tears,  Stress Latest News