(T.Y. Terry for this!)
Laughing. This is a novel way to strenghten the immune system, release tension, exercise (if you laugh vigourously enough) and just generally have a good time (!!)
Please click the links below to understand how to.....
http://www.youtube.com/watch?v=yXEfjVnYkqM
http://www.youtube.com/watch?v=ahhN3Ryw4O4
And then start your own laughter club :)) Seriously (Well, okay - happily ;)
(Thank you, Bill, for the lead on this!!!)