LHave you ever wondered why it is that whenever someone yawns, you follow suit? Well, I've found out why. The Cognitive Brain research journal says that it is an empathetic response and it does not just have to be of a viewed yawn. It can be from reading, viewing, or even hearing the yawn. Thanks Steven Platek, Ph.D., a professor of psychology at Drexel University, now we know.
http://shine.yahoo.com/channel/health/why-is-yawning-contagious-485568/
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