― I heard about laughter yoga only recently, which is a form of yoga employing self-triggered laughter. It was made popular as an excercise routine developed by an Indian physician Madan Kataria. ∙ Apparently the body cannot differentiate between fake and real laughter and according to scientific observation, both fake and real laughter provide the same physiological and psychological benefits. ∙ My question is... why would anybody want to force themselves to laugh? Why not just [...].