Why is Yawning So Contagious?

Yawning is an interesting concept. Why is it that when one person yawns, another person does so as well. It just seems like a chain reaction. Have you ever wondered why yawning is so contagious? Well watch this video from the University of Pisa, Michael explains why when seeing someone yawn, makes you want to yawn. It’s pretty interesting to know that reason why we yawn is to bring our brains to a specific temperature. Check out this video, I hope you like it…

I can bet you yawn at least 5 times in the span of this video… Enjoy!

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Posted on May 25, 2012, in Interesting facts and tagged , . Bookmark the permalink. Leave a comment.

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