Is Laughter Truly Contagious? Watch This And Decide

posted by Scott - 

Watch this video and help me with some research. is laughter contagious?  This guy laughs hysterically while reading this joke book.  I couldn't help but laugh with him.  Give it a look and see if you don't laugh as well. Feel free to share this research with others.  Laughter is the best medicine.  

title

Content Goes Here