The aim of the research: To evaluate the interfaces of the different nationalities students living skills and complaints. Tasks of the research: 1. To evaluate the living skills of Lithuanian, Portugease and Polish students 2. To investigate the health complaints of Lithuanian, Portuguese and Polish students 3. To evaluate the interfaces of the different nationalities students living skills and complaints Research methods: 1) The analisis of scientific literature 2) Questionnairing 3) Statistical analysis The study was carried out from 2016 of December to 2017 March. The study involved 487 14-15 year-old adolescents: 200 students from Lithuania, 87 students from Portugal and 200 students from Poland. Samples do not represent countries was c...