![This Proves Laughter is Contagious [VIDEO]](http://townsquare.media/site/29/files/2013/11/hqdefault18.jpg?w=980&q=75)
This Proves Laughter is Contagious [VIDEO]
This video shows one woman giggling about who knows what, then the laughter spreads infectiously through the entire subway car. It will spread to you simply by watching this video. It got me laughing about one minute in. Is laughter contagious? Watch this and you tell me!
[Via Godvine]
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