A smiley face piece of jewelery worn by Dr. Funshine, aka Caroline Meeks, M.D. is seen as teaches a laughter therapy class to a group of seniors at the Clairmont Friendship Center in San Diego, California November 17, 2010. It's a Monday morning at the Live Well center in San Diego and a group of seniors are skipping, clapping and hooting in the recreation room. That's precisely what Dr. Caroline Meeks, aka "Dr. Funshine" ordered. As part of her wholistic practice, Meeks, a physician and author, visits senior centers and hospitals aiming to treat chronic seriousness. Her prescription: Frequent doses of "laughter yoga," -- an hour-long, mind-body exercise class that combines yogic breathing with simulated physical laughter and silly banter. These exercises, combined with playfulness, singing, dancing and eye contact, usually induce authentic cackling, which Meeks and others believe is good medicine for everybody from cancer patients to people with dementia and depression. Picture taken November 17, 2010. To match Reuters Life! LAUGHTERYOGA REUTERS/Mike Blake (UNITED STATES - Tags: HEALTH SOCIETY)