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A few facts about laughter

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					A few facts about laughter
                      Darwin      singled   laughter   an   important   role   in   evolutionary
                      development. He believed that laughter helps in restoring mental
                      stability. Freud believed that laughter helps to cope with lustful
                      thoughts.
                      There is a science of laughter. It's called gelatologiya, from the
                      Greek "gelasma" - laughter.
                      The man began to laugh, while still not separated evolution from
apes.Researchers believe that it happened somewhere between 2 and 4 million four years
ago.Modern baby starts to smile a few days after birth, and to laugh - an average of 12
weeks.
Today, people are laughing less than a hundred years ago. Child laughs 20 times more
adult. Europeans laugh less than Africans. Women laugh more often than men.
From the point of view of biochemistry laughter suppresses cortisol, which adversely
affects the immune system.
Scientists have learned to raise a laugh and cry artificially. Subthalamic nucleus stimulation
evoked tears and anterior cingulate (anterior cingulate) - laughter. True, the patients do not
feel the need of emotion.
In Paraguay, the Indians guaykis laugh, seeing a man carrying a basket. This is
considered a sign of femininity. In the Brazilian tribe nabikvara laugh lovers who kiss in
public.
Determine the funniest anecdote in the world, is likely to fail. Americans love stories about
absurd and flawed. British and Irish - based on a play of words, and in Australia, popular
jokes about frightening and stressful events. And the most fun-loving country recognizes
surprisingly, Germany.
One reason for laughter - a feeling of superiority over those over whom they laugh. This
works, for example, jokes about blondes. Plato in his "Republic" recommended fellow
citizens less watch comedies because they arouse the lowest instincts.
Any doctor can easily explain the appearance of causeless laughter in a human
patient. Causeless laughter healthy person could not yet explain.

				
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Description: An interesting document about the human body