enquête (4) Social sciences (4) Science (4) Persons (4) Human beings (4) French (4) Use (4) Care (3) Manufacturers' agents (3) Commission merchants (3) Cannabis (3) tabac (2) fumée (2) mise sous écran protecteur (2) risque (2) effet (2) maladie (2) consommation (2) comparaison (2) Comparison (2) Treatment (2) Alcohol use (2) Identification (2) Tobacco (2) Smoke (2) Risk (2) Weight loss (2) Quality of life (2) Physicians (General practice) (2) Patients (2)