“…In addition, FSU immigrants, unlike the native Israeli and American users, are often involved in polydrug use and simultaneous drug and alcohol consumption (Guarino et al, 2012; Isralowitz et al, 2007; Ranz et al, 2012; Yakhnich, 2016a). Furthermore, many immigrant users have a tradition of compounding self-made drugs from medicines (Yakhnich, 2016a). The above patterns are linked to historical and cultural factors such as predominance of opium and the shortage of other substances on the Russian drug market that forced the addicts to develop drug-producing skills, as well as the cultural acceptance of heavy drinking that reinforced the tendency to combine drugs with alcohol (Guarino et al, 2012; Yakhnich, 2016a).…”