笑理学(Gelotology)，是研究笑的过程与结果。在心理上与生理上的角度去分析笑，并运用在医学领域上。

由印度内科医师麻丹‧卡塔利亚发展的一套瑜珈。它结合了瑜珈式呼吸与笑的律动，让身体和脑部获得更多的氧气，使人身体和心灵上带来益处。

Gelotology (from the Greek gelos, meaning laughter) is the study of laughter and its effects on the body, from a psychological and physiological perspective. Its proponents often advocate induction of laughter on therapeutic grounds in alternative medicine. The field of study was pioneered by William F. Fry of Stanford University.