Links to sites that prove that laughter is beneficial for good health

Laughter The Best Medicine: http://www.psychologytoday.com/articles/200504/laughter-the-best-medicine

Neuroscience: http://dsc.discovery.com/tv-shows/curiosity/topics/10-reasons-why-laughing-good-for-you.htm

WEB MD: Laughter Good For Your Health: http://www.webmd.com/balance/features/give-your-body-boost-with-laughter