psüühiline või füüsiline sõltuvus, mis on tekkinud narkootiliste või psühhotroopsete ainete tarvitamise tagajärjel, A state of periodic or chronic intoxication, detrimental to the individual and to society, produced by the repeated consumption of a drug (natural or synthetic). Its characteristics include: (1) an overpowering desire or need (compulsion) to continue taking the drug and to obtain it by any means; (2) a tendency to increase the dose; (3) a psychic (psychological) and sometimes a physical dependance on the effects of the drug.