Why Do We Itch?

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?

Scratch that itch and SUBSCRIBE! ►► http://bit.ly/iotbs_sub

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References: http://bit.ly/2IiIqWn ———– FOLLOW US: Twitter: @DrJoeHanson @okaytobesmart Instagram: @DrJoeHanson Merch: https://store.dftba.com/collections/i… Facebook: http://www.facebook.com/itsokaytobesmart

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