various. (2010). Drugnet Europe No. 72 : EMCDDA releases annual report 2010 : Cannabis: levels of use in parts of eastern Europe now rival or exceed those in western countries : Over 1 million drug users a year in treatment, but considerable challenges remain : Feature: older drug users – a growing issue for Europe's treatment services : Ireland passes new law to control “head shops” and “legal highs” : Opioid use and injecting in neighbouring countries : New EMCDDA products and services. Drugnet Europe : newsletter of the European Monitoring Centre for Drugs and Drug Addiction, 15(72; 10/2010), 8.