Gelotology Psychology

Gelotology is the study of humor and laughter, and its effects on the human body. It is also the psychological and physiological study of laughter. The word is from the Greek gelos, geloto meaning laugh, laughter, laughing. A gelotologist is a person who specializes in gelotology. The word gelotology is often misspelled as gelatology. There is well documented and ongoing research in this field of study.

Studies of this include all aspects of the human body a brief description of the influence of laughter on them are:
Heart It has been shown that laughing helps protect the heart. Although studies are not sure why laughing protects the heart, the studies do explain that mental stress impairs the endothelium, which is the protective barrier