My Laughter File:

This site is about The Japan Society for Laughter and Humor Studies (JSLHS). It was established in 1994. The purpose of the society is studying about laughter and humor, and recognizing laughter deeply and contributing to the culture of laughter.
I think this society is very interesting, because they are studying about laugh and humor. It’s very important. If you are interested in the society, please check on this link.

These three sites are written about effects of laughing. I don’t know laughing is effective in curing disease. The effects of laughing are better than I think.
Laughing make our body good. For example, promote blood circulation, excite our brain, and soften the pain and so on. Please check these sites.
The hygiene of laughter
Up the power of immunity
Humor in the US

These sights are from YouTube:

This is funny sight about dogs. Most movies were happen when dogs were running cheerfully. I think some are funny, some are surprised and some are heading.
Please check:Cute Dogs

This sight is about a baby. She laughs very much when her father tears the newspaper. She is interested about the sound of newspaper. She is so cute and interesting. If you watch this sight, you would laugh a lot.
Please click here:A Laughing Girl