Laughter is the best medecine. Agree or Disargee?

I have to agree. I saw this tv show about the different kinds of laughter than can ease the pain of several body pains. Headaches, stomaches, and others. It can even lessen your being constipated. I actually believe it because somehow it does lessen some pain that I experienced if I laugh. It is not a force laugh I have to talk or see something that can make me laugh.