Dr. Nicholas Christakis is a sociologist and physician known for his research on social networks and on the socioeconomic, biosocial, and evolutionary determinants of behavior, health, and longevity. Follow Dr. Christakis on Twitter @NAChristakis or go to www.humannaturelab.net to learn more.
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The Dr. Drew Podcast

Dr. Nicholas Christakis

Dr. Drew Pinsky, board certified internist and addiction medicine specialist, takes listener calls and talks to experts on a variety of topics relating to health, relationships, sex and drug addiction.