Druglink article 2011 – Going green by Caroline Chatwin and David Porteous

An ongoing study among long term cannabis users paints a picture of reluctant skunk smokers whose often low-level addiction has had both good and bad impacts on their lives.

Much of the academic research conducted thus far into cannabis use tends to focus on young and potentially vulnerable people, who come to the attention of the researchers either by being apprehended by the police or by being referred through treatment programmes. Unsurprisingly, this has led to a focus on the problems that heavy cannabis use can cause, such as truancy, poor educational attainment and developmental problems. There has, in contrast, been a real lack of investigation into people who have been using cannabis for a much longer period. What information there is tends to centre around dependency and mental health issues

Going green (PDF)