There is an old saying, "Laughter is the best medicine ".
Now people are using laughter to improve their health in countries all around the world.
In some countries special centres for treating illness with laughter were set up and became popular.
In 2003,a study in Austria showed that laughing helped patients get better faster. It made them relax,and this improved their general health.
Laughing helps us feel happier.And it gives the body exercise too.
Doctors say five minutes of laughing is as good for you as fifteen minutes in the gym!
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