There's an extremely extremely rough utilitarian analysis that says that the largest positive effect in QALYs added comes from fewer road traffic deaths due to

There's an extremely extremely rough utilitarian analysis that says that the largest positive effect in QALYs added comes from fewer road traffic deaths due to people substituting away from driving while drunk to driving while stoned. See section IV of http://slatestarcodex.com/2014/01/05/marijuana-much-more-than-you-wanted-to-know/ http://slatestarcodex.com/2014/01/05/marijuana-much-more-tha...