Estudio (2) Teenagers (1) Youth (1) Tobacco (1) Students (1) Sex (Biology) (1) School boards (1) Physics (1) Health (1) Extremities (Anatomy) (1) Education, Secondary (1) Drug abuse (1) Drinking of alcoholic beverages (1) Dependency (1) Consumption (Economics) (1) Alcohol (1) Bebidas alcohólicas--Consumo (1) Drogas--Consumo (1) Dependencia (1) Consejos escolares (1) Salud (1) Alcohol (1) Extremidades (1) Andaluces (1) Estudiantes (1) Tabaco (1) Zonas rurales (1) Sexo (1) Jóvenes (1) Adolescentes (1)