Captions provided by CCTubes – Captioning the Internet! Scratch that itch and SUBSCRIBE! ►► http://bit.ly/iotbs_sub
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↓↓↓ More info and sources below ↓↓↓
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
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