A report by the European Monitoring Centre for Drugs and Drug Addiction has found that the U.K. has the biggest problem of illegal drug use among teenagers. 5% of 15-16 year-olds had taken cocaine with 3% trying crack. 4% of youngsters had taken ecstasy and three out of ten had tried cannabis. There were estimated to be 860,000 cocaine users in England and Wales and 74,000 problem drug users in London.
You can find out more about this study at