Brussels, 16/11/2011 (Agence Europe) - Drug use in Europe seems to have stabilised over the last two years. There are signs that cocaine use might have peaked and that cannabis use may be continuing to decline among young people. However, new synthetic drugs remain a matter of concern and are one of the major challenges to be faced over the next few years, said the Lisbon-based European Monitoring Centre for Drugs and Drug Addiction (EMCDDA) as it published its annual report on Tuesday 15...