According to a Eurobarometer survey in 2011, new substances that imitate the effects of illicit drugs are increasingly popular with 5% of young Europeans saying they have used them.
Vastavalt Eurobaromeetri 2011. aasta uuringule muutuvad uued, ebaseaduslike uimastite mõju jäljendavad ained üha populaarsemaks ja 5% Euroopa noortest tunnistab, et on neid kasutanud.