books.google.ca - Cannabis dependence is controversial. Does it occur or is it a myth put forth by those who oppose legalization? What are the signs? How many people are affected? What are the risks of becoming cannabis-dependent? What interventions have been tested with adults and adolescents, and are they effective?...http://books.google.ca/books/about/Cannabis_Dependence.html?id=DEWRoPweosEC&utm_source=gb-gplus-shareCannabis Dependence
