Science news articles about 'Nicholas Christakis'

  • Smoking is addictive, but quitting is contagious

    ... not know each other all quit smoking at once,” says Nicholas Christakis, a professor in Harvard Medical School ... by this that the educated are not only more influential, but they are also more easily influenced.” And finally, Christakis and Fowler discovered that smokers are increasingly marginalized ...
  • Happiness is a collective -- not just individual -- phenomenon

    ... from you," says Harvard Medical School professor Nicholas Christakis, who, along with James Fowler from the University ... to influence others appears to stretch to only three degrees," says Christakis. "It's the difference between the structure and function of social networks ...
  • The genes in your congeniality: Researchers identify genetic influence in social networks

    ... in the formation and configuration of these networks. The research was conducted by Nicholas Christakis of Harvard, who is professor of sociology in the Faculty ... and important health outcomes," says Fowler. Fowler and Christakis have also published on other aspects of social networks, such as the spread ...
  • Loneliness can be contagious

    ... Science at the University of California-San Diego, and Nicholas Christakis, Professor of Medicine and Professor of Medical Sociology in the Harvard Medical School. Before relationships ...
  • National Institute on Aging funds two new "Roybal Center" programs at Harvard

    Harvard Medical School professor Nicholas Christakis, whose work focuses on social networks, and economics professor David Laibson, who examines ...
  • 'Pay it forward' pays off

    ... 's Center for Wireless and Population Health Systems, and Nicholas Christakis of Harvard, who is professor of sociology in the Faculty ... and fundamental connection between social networks and goodness," said Christakis. "The flow of good and desirable properties like ...
  • Competing for a mate can shorten lifespan

    ... a daily aspirin, or engaging in moderate exercise," says Nicholas Christakis, senior author on the study and professor ... have not investigated mechanisms that might account for this phenomenon, but Christakis suspects that it arises from a combination of social and biological ...
  • The friendly way to catch the flu

    ... " may help predict the spread of infectious disease. Nicholas Christakis, professor of medicine, medical sociology ... than those at the margins. As the 2009 influenza season approached, Christakis and Fowler decided to put these basic features ...
  • How the whole is greater than the sum of its parts

    ... mapping humans' intricate social networks, Nicholas Christakis and colleague James Fowler began ... mapping humans' intricate social networks, Nicholas Christakis and colleague James Fowler began ...
  • Secondhand television exposure linked to eating disorders

    ... of this effect came from an individual's social network. Nicholas Christakis, professor of medical sociology in the department ... it is intriguing, that the indirect effects of media are greater," Christakis said. "Most people aren't paying attention ...
  • Analyzing Discovery

    ... author networks. But now, Samuel Arbesman and Nicholas Christakis (2011) argue that there are two fairly recent developments that would enable a new approach ...
  • Connecting with freshmen

    ... over the next four years in a talk by Professor Nicholas Christakis, who argued that human social networks ... to spread obesity — or happiness — like contagion. Christakis, who teaches at Harvard Medical School as well ...
  • With a little help from our ancient friends

    ... much resemble what we see today," said Nicholas Christakis, professor of medical sociology and medicine ... , non-reproductive unions with other members of our species," said Christakis. "In other words, not only do we have sex, but we also have friends." Previous ...
  • Decision, decisions

    ... of Human Behavior. The discussion was moderated by professors Nicholas Christakis of Harvard Medical School and the Department of Sociology and David Laibson of the Department of Economics. Laibson ...
  • Rules of attraction

    Nicholas Christakis, whose research has shown how everything from obesity to smoking to happiness spreads through ... of germs is the price we pay for the spread of information,” Christakis said. “The benefit of a connected life outweighs the cost ...

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