School policies reduce student drinking ?- if they're perceived to be enforced

[unable to retrieve full-text content]Anti-alcohol policies on middle and high school campuses do work, but only if students believe they will be enforced. Harsh punishment doesn't deter drinking, but counseling does.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/living_well/~3/J3JQWsS7aHU/130709143304.htm

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