[Alcohol and drug consumption by adolescents in Buenos Aires].

In a group of 4800 young man--sample--who were called on to the Military Service Medical Examination in 1992, was investigated the legal and illegal psychoactive drugs using in. Findings show that: a) 42% were alcohol abusers during last 30 days; b) more than 17% have used marihuana once in their lives; c) 9.7% have used cocaine and d) 1 of each 10 have recognized use psychoactive drugs without medical prescription. Cultural practices linked to excessive alcohol abuse and the present increase use of other psychoactive drugs by young people are discussed.