Happiness is like a Virus
?it’s catching! – Can THIS glass be seen as half full instead of half empty? This Christmas season, remember: laughter can be infectious. You don’t need a sophisticated study to tell you that, but nevertheless, there WAS such a study, which looked at nearly 5,000 individuals over a period of 20 years and discovered that one person’s happiness triggers a chain reaction that benefits not only his friends, but his friends’ friends, and his friends’ friends’ friends. The effect lasts for up to one year. But SADNESS and stress do not spread through social networks as robustly as happiness.
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