http://www.medicalnewstoday.com/medicalnews.php?newsid=25611
"The National Drug Strategy was set up with crime-reduction in mind - and for that reason it's designed to tackle illegal drug use only. But most drug addicts don't progress straight to heroine or crack cocaine. They show signs of trouble to come in early life, by smoking and drinking alcohol at a young age. The Government's drug strategy doesn't properly recognise the importance of these 'gateway' drugs in young people, leaving it to other agencies to deal with these problems separately. "
