Psychology (2) Population (2) Estudios (2) Estudio (2) Población (2) Psicología (2) Programs (1) Suicidal behavior (1) Databases (1) Traffic accidents (1) Symptoms (1) Suicide (1) Strategy (1) Stocks (1) Research (1) Quality of life (1) Public health (1) Physics (1) Pessimism (1) Optimism (1) Occupations (1) Mental health (1) Mediation (1) Literature (1) Gratitude (1) Fortification (1) Forgiveness (1) Evaluation (1) Death (1) College students (1)