Nat geo had a great cover story about this last month - http://www.nationalgeographic.com/magazine/2017/09/the-addicted-brain/ http://www.nationalgeographic.com

Nat geo had a great cover story about this last month - http://www.nationalgeographic.com/magazine/2017/09/the-addicted-brain/ http://www.nationalgeographic.com/magazine/2017/09/the-addic... The Theory of Addiction is no longer about dependence or withdrawal, it is about getting people to perform repetitive action. It doesn't matter what that action is.