[The incidence of risk behaviours in high school students].

Health-risk behaviour in children, its kind and frequency, result from genetic and environmental factors. This survey examined health-risk behaviours (smoking, alcohol drinking and drug abuse, sexual experience) in high school students, the relation of their health-risk behaviours with certain health-risk behaviours in their parents (smoking, alcohol abuse), and interrelations among the examined types of risky behaviours. The study included 1009 of 1144 inquired students (426 girls, 583 boys) of high school (of 5 grammar schools and 4 trade schools) aged 15-19 years (17.

[Effect of the war and postwar events on risk behavior in middle-school students].

Risky behaviour of young people is related to their individual features as well as to the influence of parents, dominant friends and social circumstances. This paper presents results of a survey on highschool students risky behaviours (smoking, alcohol and drug abuse, sexual activity) in respect with war events (loss of one or both parents, or of another close relative, moving) and post-war events (loss of job of one or both parents). Five years after the war had ended, 1009 students of the last class of 5 gymnasiums and 4 trade schools (girls 42.