"The profiles of young cannabis users, at least in the early stages of consumption, do not differ from those of young alcohol or tobacco users. This supports the idea that universal prevention for young people should not focus on cannabis alone, but should be aimed at preventing use of alcohol and tobacco too."


"Annual Report 2006: The State of the Drugs Problem in Europe," European Monitoring Centre for Drugs and Drug Addiction, Luxembourg: Office for Official Publications of the European Communities, 2006.