Nicholas Christakis

It’s hard to imagine life without other people. But would everyone be better off on their own? Read More...

What if our friends are responsible for the way our brains work? You might be a little more picky about who you hang out with. Read More...

social network

It’s no surprise that people in your inner circle can affect your physical and emotional state. But even your friends’ friends can transform your life – for better or worse – says Yale professor Nicholas Christakis. Read More...

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