To some, laughter prolongs life, but for others it becomes cause of death. 
Photos from open sources Scientists have found that laughter is not always a guarantee of health. University Specialists Birmingham and Oxford believe that in some cases laughter has a negative effect on humans, even to the extent that may cause death.
Researchers have collected information on when rampant laughter can lead to side effects. First turn, according to experts, you can not laugh at those who have a weak heart – these people may lose consciousness and no longer come to yourself.
As part of an experiment, scientists sent a group of clowns to the hospital so that they cheer up patients. results experiments have shown that laughter allows you to burn about 2,000 during the day calories. It also lowers sugar levels in diabetics and reduces hardness of the walls of the arteries.
A photo from open sources
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However, scientists are faced with another case when a woman, suffering from an abnormally high heart rate as a result of rampant laughter first fainted, and then died.
In addition, experts note that a sharp breath during laughter may trigger an asthma attack or cause epileptic a fit. It can also lead to hernia and incontinence.
