World Laughter Day
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World Laughter Day takes place on the first Sunday of May of every year . The first celebration was on January 10, 1998, in Mumbai, India, and was arranged by Dr. Madan Kataria, founder of the worldwide Laughter Yoga movement.
Laughter Yoga says: Laughter is a positive and powerful emotion that has all the ingredients required for individuals to change themselves and to change the world in a peaceful and positive way.
World Laughter Day was created in 1998 by Dr. Madan Kataria, founder of the worldwide Laughter Yoga movement. Dr. Kataria, a family doctor in India, was inspired to start the Laughter Yoga movement in part by the facial feedback hypothesis, which postulates that a person's facial expressions can have an effect on their emotions.  The celebration of World Laughter Day is a positive manifestation for world peace and is intended to build up a global consciousness of brotherhood and friendship through laughter. It is most often celebrated by gatherings of people in public places with the sole purpose of laughing. Its popularity has grown exponentially[when?] with that of the Laughter Yoga movement now counting thousands of Laughter Clubs in more than 100 countries.
- Monica Guzman (2009-05-01). "Harborview to mark World Laughter Day". Retrieved 2009-05-06.
- Nerenberg, Albert. "World Laughter Day: How a Laughing Fit Sparked an International Movement". Huffingtonpost.com. Retrieved July 24, 2015.
- Ritman, Alex (May 6, 2012). "It's World Laughter Day". The National. Retrieved July 24, 2015.
- Grinnell, Renee. "Facial Feedback Hypothesis". pyschcentral.com. Retrieved July 24, 2015.