Laughter also triggers the release of endorphins, the body's natural painkillers, and produces a general sense of well-being.
Laughter is infectious.
Hospitals around the country are incorporating formal and informal laughter therapy programs into their therapeutic regimens. Humor is a universal language. It's a contagious emotion and a natural diversion. It brings other people in and breaks down barriers. Best of all it is free and has no known side reactions.