I know this is an older article, but the Portuguese found that in practice, lifetime usage rates actually decreased following decriminalisation of most narcotic

I know this is an older article, but the Portuguese found that in practice, lifetime usage rates actually decreased following decriminalisation of most narcotics: http://content.time.com/time/health/article/0,8599,1893946,00.html http://content.time.com/time/health/article/0,8599,1893946,0...