KETHEA provides its services to drug addicts and their families free of charge and without regard to race, color origin, gender, creed etc. The only prerequisites for entering the programme are voluntary admission and active participation in the therapeutic procedure. KETHEA's therapeutic programmes do not employ pharmaceutical substances or substitutes for the threatment of addiction. Depending on the needs of the population they are addressed to, KETHEA's interventions are aimed at adults, adolescents, prisoners, addicted mothers, migrants etc.