| Smile, It Really Is Contagious
July 18, 2006

Have you ever seen someone laugh uncontrollably at something? Have you seen someone having such a good time that they accidentally laugh milk through their nose? Or how about a little baby who is learning to laugh for the first time? Chances are that you have seen these and, chances are, they have brought a smile to your face or even made you laugh a little yourself. There is a good reason for this... more
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