“‘I was hesitant to try it — like, hey, is this legal?’ said Dr. Shawn Ryan, the chief medical officer and president of BrightView Health, an addiction treatment provider with locations throughout Ohio, which started using contingency management last year. But the results have been striking, he said, adding, ‘I’m talking about significant improvements in attendance to therapy sessions, significant reductions in drug and alcohol use.'” NYT: This Addiction Treatment Works. Why Is It So Underused? What’s the treatment? Cash and prizes for staying clean.