A new study on how social networks impact people’s health overturns long-held assumptions. Scientists had thought that social networks featuring many distant connections could change ingrained habits fastest. However, using the tools of system dynamics and economic sociology, the study found that people living in close contact with people they already know well were more likely to take a positive action, such as registering for an online health forum. Watch a video of MIT Sloan School of Management Assistant Professor Damon Centola explaining why “social reinforcement from multiple health buddies” helped change unhealthy behaviors.
Here's the video:
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