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Research: Happiness actually contagious?

December 4, 2008 12:00:00 AM PST
If you want to increase your happiness, research shows you have to have happy friends.Scientists took a close look at the social network of people enrolled in the Framingham heart study. They found when a person becomes happy, a friend living within a mile experiences a 25 percent increased chance of becoming happy.

The joy even spread to friends of friends, up to three degrees of separation. But you need to live close by to get the benefit.


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