... "In the future, patients watching humorous videos could become a standard component of some medical procedures."
The US study, Rx Laughter, is a collaboration between the entertainment industry, paediatrics and psychiatry.
They asked 21 children aged eight to 14 to put their hand into cold water and found the whole group tolerated the temperature longer while watching a funny video.
Those who laughed most remembered less of the pain and hormone tests on their saliva showed their stress levels were lower after laughing. ...
via BBC News | HEALTH | Laughter eases hospital pain.
Just make sure your patient doesn't have Coulrophobia before you put on that red nose.