"The harm reduction policy of Switzerland and its emphasis on the medicalisation of the heroin problem seems to have contributed to the image of heroin as unattractive for young people."
Nordt, C., & Stohler, R. (2006). Incidence of heroin use in Zurich, Switzerland: a treatment case register analysis. Lancet (London, England), 367(9525), 1830–1834. doi.org/10.1016/S0140-6736(06)68804-1