http://www.theherald.co.uk/features/72474.html
Melanie Reid
The dangers of cannabis use by young people have been evident for several years. Growing numbers of teenagers are encountering mental health problems and their distressed families, searching for answers, are discovering an unwelcome truth: that everywhere circumstantial links exist between heavy cannabis use and various forms of psychosis. Most painfully of all, these families are realising that there is no way back; that the damage is done.