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Why does yawning seem to be contagious?

  1. Mar 15, 2007 #1
    Why does yawning seem to be contagious?
     
  2. jcsd
  3. Mar 16, 2007 #2

    jim mcnamara

    User Avatar

    Staff: Mentor

    Here is a simple answer - nobody knows. There were reasons postulated and then later pitched.

    http://www.yesmag.bc.ca/Questions/yawn.html [Broken]
     
    Last edited by a moderator: May 2, 2017
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