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When you laugh, that laughter stretches, tones, and strengthens muscles in your face and body.In the mid-1990s, a doctor from India was struck by these benefits and brainstormed a way to bring more laughter into his patients' lives.

When you laugh, that laughter stretches, tones, and strengthens muscles in your face and body.

According to William F. Fry, M.D., Associate Professor of Clinical Psychiatry at Stanford University, "Laughing 100-200 times per day is the cardiovascular equivalent of rowing for 10 minutes." One study even found that laughter can help people lose weight.

At the rate of 200 calories per hour, it would take over 17 hours of non-stop laughter to lose a single pound! People who laugh often have other physical advantages as well.

Hundreds of hospitals also provide patients with "Humor carts," loaded with humorous cartoons, DVDs, comic books, and funny props Laughter has also been found to make people alert, stimulate the brain, and enhance learning, It also helps people to be more productive, to communicate more effectively, to sleep more soundly, and to form friendships more easily.

In the mid-1990s, a doctor from India was struck by these benefits and brainstormed a way to bring more laughter into his patients' lives.

The doctor, Madan Kataria, gathered a group of people together in a local park to practice laughing as part of a "Laughter club." During the club meetings, Kataria would prompt members to laugh in a variety of ways.