Why Do We Itch?

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It’s one of the most annoying sensations our bodies can feel, but does anything feel better than when you scratch an itch? Ok, maybe some things. But itching and scratching are up there. How does this weird sensation work? And what is itching for?

References: http://bit.ly/2IiIqWn

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It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D.
Director: Joe Nicolosi
Writer: Kimberly McCoy
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