three Reasons of laughter yoga

http://laughteryoga.org - Dr. Madan Kataria, founder of laughter yoga clubs explains
three reasons why one should do laughter yoga even if you think you are laughing a lot i Laughter club.
In order to get scietifically proven benefits of laughter one should laugh contineously,
one should have hearty laughter and unconditional laughter ha ha ha ......