ABSTRACT

Increasesinalcoholconsumptionandotherdrug-relatedproblemshavebeena strikingfeatureofthesituationinallregionsoftheworldduringthelasttwenty years.Concernaboutthesetrendshasgivenrisetoasearchfornewandmore effectivewaystopreventtheadversehealthandsocialconsequencesofdrinking anddrugabuse.