The Rational Choices of Crack Addicts Published: September 16, 2013

“He’s not saying that drug abuse isn’t harmful, but he’s showing that drugs don’t turn people into lunatics. They can stop using drugs when provided with alternative reinforcers.”http://www.nytimes.com/2013/09/17/science/the-rational-choices-of-crack-addicts.html?pagewanted=2&tntemail0=y&_r=1&emc=edit_tnt_20130917