Long before modern brain imaging technologies illuminated the neurophysiological mechanisms that make laughter contagious, William James (1842-1910) observed, "We don't laugh because we're happy, ...

Discover how Dr. Madan Kataria’s Laughter Yoga movement is helping people worldwide find joy, health, and connection through ...

They say laughter is the best medicine but this video also proves its also pretty contagious. The Laughing Tram Man stood along side other travelers on a simple Monday morning and began to giggle. As ...