Drug prevention programmes in schools: what is the evidence?
Key messages: Universal drug education programmes in schools have been shown to have an impact on the most common substances used by young people: alcohol, tobacco and cannabis.
Key messages: Universal drug education programmes in schools have been shown to have an impact on the most common substances used by young people: alcohol, tobacco and cannabis.
This document presents an evaluation of the process, results and impact of the initiative to promote health and prevent sexually transmitted diseases among adolescents and youth in the school environment (in Brazilian schools), on the basis of research carried out in 340 schools in 14 state capit