Word: christakises
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The reason: sorrow does not spread nearly as readily as joy. Nicholas Christakis, one of the study's authors, says happy people form groups and socialize. Unhappy people spend more time alone, not always by choice. "Do you want to hang out with an unhappy person?" says Christakis, who teaches...
If that's so, it creates a whole new paradigm for the way people get sick and, more important, how to get them healthy. It may mean that an individual's well-being is the product not just of his behaviors and emotions but more of the way they feed...
In their most recent paper, published in the British Medical Journal, Christakis and Fowler explored the emotional state of nearly 5,000 people and the more than 50,000 social ties they shared. At three points during the long study, all the participants answered a standard questionnaire to determine their...
And it's not just in sterile study settings that the contagion of happiness is spreading. Christakis and Fowler noticed that people who are smiling on their Facebook pages tend to cluster together, forming an online social circle like a delirious flock of cyberbirds. And while some of this joy...
The infectiousness of happiness is only the latest in a series of similar phenomena Christakis and Fowler have studied. In 2007 they published a paper showing that obesity travels across webs in a similar way, with individuals having a 57% greater risk of being overweight if they have an obese...