Do Alcoholics Anonymous participants do better at abstinence than nonparticipants because they are more motivated? Or is it because of something inherent in the A.A. program?

How researchers answered these questions in a recent study offers insight into challenges of evidence-based medicine and evidence-informed policy. That's the topic of this week's Healthcare Triage.

This episode was adapted from one of Austin Frakt's Upshot columns. Links to references and further reading can be found there: http://www.nytimes.com/2015/04/07/ups...
John Green -- Executive Producer
Stan Muller -- Director, Producer
Aaron Carroll -- Writer
Mark Olsen -- Graphics

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