Special Report: Laughter is the best medicine
Published Wednesday, November 21, 2012 6:34PM EST
Last Updated Sunday, November 25, 2012 2:53PM EST
It's long been said that laughter is the best medicine -- but can the physical act of laughing really beat stress or manage pain?
That's the belief behind ''laughercize,'' a laughing exercise program led by laughologist Albert Nerenberg.
Devotees swear it works.
Watch this special report by Annie DeMelt and decide if giggles and guffaws can really make positive changes.