“…The potential risks of cannabis itself include the possibility of triggering mental health disorders, for developing dependency, and for leading on to other, perhaps 'stronger' drugs, although such risks are often overstated and causal evidence is lacking (see Stevens, 2011: 24). Research suggests that heavy cannabis use in late adolescence lowers the chances of obtaining a degree and a good job, and that adolescents who do not have positive career aspirations are more likely to get involved with drugs (Fergusson and Boden, 2008;Skorikov and Vondracek, 2007). Persistent cannabis use, particularly among adolescent onset users, has been associated with neuropsychological decline (Meier et al, 2012).…”