Consumption (Economics) (4) Consumo (4) Drugs of abuse (3) Psychology (3) Alcohol (3) Alcohol (3) Drogas (3) Psicología (3) Colombie (2) Public health (2) Men (2) Marijuana (2) Life (2) Heroin (2) Health (2) Drug abuse (2) Consumers (2) Drogas--Consumo (2) Factores (2) Salud (2) Marihuana (2) Heroína (2) Vida (2) Hombres (2) Estudio (2) Salud pública (2) Consumidores (2) drogue (2) Ketamine (1) Labor (1)