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Published on Jan 10, 2010
http://laughteryoga.org - Dr. Madan Kataria, founder of laughter yoga clubs explains about the scientific research on Laughter Yoga which was done in USA and Bangalore, India. In US studies the researcher measured competency profile of a group of people in a company. In Bangalore study they measured the effect of Laughter Yoga on blood pressure, stress levels, positive and negative emotions.