Incidents of laughter.

People fall from trees.
This site is people who fall from trees. I feel it's very funny but they don't feel so expect that some intend to fall from trees.

Incident of weddings
This site is incident of wedding ceremonies. A lot of incidents happen even such as sacred wedding ceremonies. Ironically incidents of not only weddings but also other formal ceremonyies are so interesting.

Incident of slip
This site is incidents of slip. I like this site because I have watched this sire again and again but I don't get titrd. Especially I like incidents of slider and the last.
　　
Benefits of Laughter
People laugh when don’t expect incidents. Because incidents are different from daily, once it happens we can’t stop laughing for a while. Actually people who meet with incidents are so poor, ashamed and sometimes dangerous but everybody around them feel it’s very funny. We like unhappy and accident of person. Some people feel anxious about them. It is said that Laughter is good for human. Laughter is proved to keep health, relax and get rid of stress and anxiety. Owing to laughter, some people recover disease and return to their work.　Medical of Laughter is known about curing disease. For example, National Killer decrease Cancer Virus and promote spontaneous. These days, many hospital use Laughter systems. This system is effective in stopping ageing. Many patients feel happy when they laugh.
There are sites of benefits, actual example of laughter system and kinds of laughter.