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Ha! Open-mouthed laughs more contagious

Seeded on Wed Nov 17, 2010 9:06 PM EST (msnbc.com)

But people don't respond to 'courtesy laughs' in the same way, a new study shows

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Comment author avatarBillie-2352729

Smile may also be contagious, especially in work place. Open laughed laugh is more appropriate in non-office hours.

    Reply#1 - Thu Nov 18, 2010 12:26 AM EST
    Comment author avataralwaysfaithfull

    I would hate to see what a closed mouthed belly laugh looks like!

      Reply#2 - Thu Nov 18, 2010 11:15 AM EST
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