Preventeen is an addiction prevention program aimed at empowering people who work with children and young people in their free time to implement activities based on scientifically proven models of effectiveness. Through this approach, the program seeks to contribute to creating a higher-quality, safer, and healthier environment for the growth and development of children and young people. Young participants in the program go through training in the fields of addiction prevention and health promotion, and they actively take part in designing and implementing activities focused on protecting their own health.