Teenagers (4) Weights and measures (4) Symptoms (4) Adolescence (4) adolescent (4) adolescence (4) jeunesse (3) puits (3) risque (3) âge (3) Development (3) Youth (3) Risk (3) Psychology, Pathological (3) Brain (3) Age (3) Youth (3) Use (3) Age (3) cerveau (3) recherche (2) modèle (2) Prefrontal cortex (2) Research (2) Personality (2) Mental illness (2) Manufacturers' agents (2) Males (2) Example (2) Design (2)