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Nicholas Christakis

Every day where we work, we see our young students struggling with the transition from home to school. They're all wonderful kids, but some can't share easily or listen in a group.

Latest Stories

Study: Popular people get flu firstupdated: Wed Sep 15 2010 14:36:00

As any teenager will tell you, being popular is totally awesome. But it has a downside: According to a new study, popular people tend to catch the flu first.

Drinking habits spread in social networksupdated: Tue Apr 06 2010 10:53:00

If a friend or relative starts drinking more heavily--or decides to drink less or give up alcohol entirely--you're more likely to do the same, according to a new study that found heavy drinkers, moderate drinkers, and teetotalers tend to cluster within social networks.

Loneliness spreads in social networksupdated: Fri Dec 04 2009 10:52:00

Have you ever felt cut off from other people, even if there are plenty around you? Maybe you felt all alone in the world, but you were making other people feel lonely without even realizing it.

Obesity, STDs flow in social networksupdated: Sat Oct 24 2009 12:10:00

Meet "network man." He has basic desires of his own, but has many arbitrary preferences, such as in music or clothes, that have been influenced by the people he knows.

Obesity, politics, STDs flow in social networksupdated: Fri Oct 09 2009 10:37:00

Meet "network man." He has basic desires of his own, but has many arbitrary preferences, such as in music or clothes, that have been influenced by the people he knows.

The power of social networksupdated: Fri Oct 09 2009 10:37:00

CNN.com writer Elizabeth Landau talks with Virginia Cha about research on how social networks influence our behavior.

'Happiness bug'updated: Thu Apr 02 2009 15:50:00

Happiness is infectious, but don't drop your unhappy friends just yet. Elizabeth Cohen explains.

Happiness is contagious in social networksupdated: Thu Apr 02 2009 15:50:00

If you're feeling great today, you may end up inadvertently spreading the joy to someone you don't even know.

Time.com: Quitting Smoking is Contagiousupdated: Wed May 21 2008 19:00:00

A new study finds that quitting tobacco is habit-forming. When one person quits, his friends, and friends of his friends, naturally follow suit

Time.com: Obesity Is Contagious, Study Findsupdated: Wed Jul 25 2007 16:00:00

Research shows that who you're friends with can have a profound impact on whether you're overweight

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