According to UNICEF, approximately one in five young people suffer from mental health issues, which in turn often leads to risk-taking with alcohol, tobacco and drugs. In the long run, it can cause lifelong health impairments in adulthood. In a three-year project coordinated by Karolinska Institutet, a method used to improve young people’s wellbeing in India, Kenya, the U.S. and Colombia is being evaluated to see if it can work in other parts of the world.