RESUMO
The aim of the study was to estimate the prevalence of addiction and drug use among Tunisian school teenagers as well as the risk factors associated with this conduct. A transversal study of "Knowledges, Behaviors and Practices" (KBP) has therefore been conducted among 353 school teenagers in the area of Tunis by means of an anonymous and self administered questionnary. Pupils' ages range from 12 to 24 with as many boys as girls (51.6% VS 48.4%). Three quarter (3/4) of the pupils have heard of drugs, the cannabis ("zatla") being the most common referred to; nearly 13% of the pupils said they have consumed drug at last once, half among them more then 3 times. The risk factors associated with drug use are the male sex (p = 10-7), tobacco or alcohol consumption (p = 10-8), violent behaviors (p = 10-4) and a confactual situation with parents (p = 10-5). A prevention of the problem should be based on an action over the identified risk factors.