Legal Highs, Ethnobotanicals & Research Chemicals - Incidence and usage of less-common (write-in) psychoactive substances reported by IDMU Survey respondents 1997-2011

The write-in options on the IDMU surveys offer a valuable ‘early warning’ system for new psychoactive drugs appearing on the UK market.  There has been a notable (4-fold) increase in the incidence of write-in drugs over the past 5 years, and although part of this is attributable to improvements in survey methodology and data collection, the increasing availability of so-called ‘legal highs’ from ‘head-shops’ and via...