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.
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.
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.
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.
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.
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.
If you're feeling great today, you may end up inadvertently spreading the joy to someone you don't even know.
A new study finds that quitting tobacco is habit-forming. When one person quits, his friends, and friends of his friends, naturally follow suit
Research shows that who you're friends with can have a profound impact on whether you're overweight
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