5 Weird Involuntary Behaviors Explained!

Name: 5 Weird Involuntary Behaviors Explained!
Uploaded: 2015-01-27T18:38:35+00:00
Description: Yawns, hiccups, twitchy eyes (and more) explained! Subscribe to Itâ€™s Okay To Be Smart: http://bit.ly/iotbs_sub â†“ More info and sources...

Collected by YouTube on Jan 27, 2015

Yawns, hiccups, twitchy eyes (and more) explained! Subscribe to Itâ€™s Okay To Be Smart: http://bit.ly/iotbs_sub â†“ More info and sources...

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