How laughter arises?
"Probably there are no people who do not like to laugh. It is known a lot – the truth is not very reliable – evidence of the benefits of laughter for health. But where does he come from? Science is seriously engaged in this issue. Even the International Society for the study of humor, which since 1988 holds annual scientific conferences.
Scientific materials about the laugh at all are not merry, but are often curious and amazing. That’s what I found in one review article.
The first who wondered about the nature of laughter was Aristotle. He defined funny like "some mistake and disgrace, no one causing suffering and for anyone is not a destructive". Surprisingly, it is precisely this definition that underlies the modern theories of laughter, although his selected species numbered quite a lot. For example, a well-known scientist Vladimir Prippet allocated six types of laughter, determined mainly on psychological color: mocking, kind, angry, cheerful, ritual and rampant.
Human emotions are the responses to the corresponding event on the pragmatic value. Unpleasant causes chagrin and dislike, something amazing – interest, and terrible – fright, horror. Laughter paradox is that it does not correspond to an event (subject) that caused it. Laughter who undoubtedly expressing a pleasant, joyful feeling, with a close review, is a response to an event in which a person caught, among other things, something worthy of condemnation and denial, but not carrying dangers. The simultaneous feeling of danger or defect and the awareness of their insignificance and overcome the special complex emotion, causing laughter.
The hazard reaction has a faithful reflection, the main part of which is becoming a grimace, accompanied by a qsal, which exposes his teeth. Mimicia smiles and laughter, thus, turns out to be a smoothed form of ruffled discontent. In Ne "Weed" A variant of aggression corresponds to a smaller share of evil seen. The similarity of the Mimika laughter and crying was noticed by Leonardo da Vinci: "The one who laughs does not differ from who is crying nor eyes, nor mouth, nor cheeks, but only by the stationary position of the eyebrows that are connected from the one who cries, and rise from the one who laughs".

The emotion opposite to laughter, with this approach, is shame, which, like laughter, distinguishes the need to understand. But shame turned not to external objects, but inward a person,. And if we can share a laugh, you can only go through myself.
Many observers note that laughter is best revealed by a person, as it shows, what and as a person laughs and how he is capable of suffering or angry.
There is a case with an American psychologist with Norman Casins, who had a deadly diagnosis – collagenosis. Kazins asked to translate him to the hotel and began one after another watch comedy films. After a few days of almost continuous laughter, he stopped tormented pain, and the tests improved. Soon he recovered and was able to return to work. So laugh on health!"