Traditionally, it is considered a visual
expression of happiness, or an inward
feeling of joy. It may ensue from hearing a
joke, being tickled, or other stimuli. Laughter is a part of human behavior
regulated by the brain, helping humans
clarify their intentions in social interaction
and providing an emotional context to
conversations. Laughter is used as a signal
for being part of a group — it si
gnals
acceptance and positive interactions with
others. Laughter is sometimes seen as
contagious, and the laughter of one person
can itself provoke laughter from others as a
positive feedback.[1] This may account in
part for the popularity of laugh tracks in
situation comedy television shows. Laughter is anatomically caused by the
epiglottis constricting the larynx. The study of humor and laughter, and its
psychological and physiological effects on
the human body, is called gelotology. if ur spirit is low, Laughter May Be the Best
Medicine. laugh yourself out because you deserve to be happy.
***LAUGH AT YOUR OWN RISK***
