“…Further examples that drug users in worse conditions do not perform as well are available (e.g. Marinelli-Casey et al, 2008 for frequent methamphetamine users; Roll et al, 2005 for intravenous users), and the model unnecessarily broadens the range of those included to those for whom it is not justified, called the 'net widening' effect (Bowers, 2008;Draine, Blank, Kottsieper, & Solomon, 2005;Harrison & Scarpitti, 2002;Kelly et al, 2005). Others bring attention to the effects of 'iatrogenesis', which the legal approach produces among low intensity users TREATMENT INSTEAD OF PUNISHMENT who enter high intensity programmes, and at high cost (Marlowe, 2006).…”