In many cases, patients’ physical and mental health has improved, their housing situation has become considerably more stable, and they have gradually managed to find employment. Numerous participants have managed to reduce their debts. In most cases, contacts with addicts and the drug scene have decreased. Consumption of non-prescribed substances declined significantly in the course of treatment. Dramatic changes have been seen in the situation regarding crime. While the proportion of patients who obtained their income from illegal or borderline activities at the time of enrolment was 70%, the figure after 18 months of HAT was only 10%.