An interesting article in Washington Post.com by Andrew Ujifusa,

Gazette Staff Writer, reports about how Laughter Yoga helped a laughter leader to fight cancer and go through chemotherapy. Not only did laughter exercises help her to get over her problem but she's now teaching Laughter Yoga to the students of the University of Maryland.
http://www.washingtonpost.com/wp-dyn/content/article/2008/12/17/AR2008121701805.html" target="_blank">For detailed report click here