"Research shows that drug treatment contact impacts positively on clients’ physical and psychological health, reduces drug use and criminal activity, reduces injection and lowers the risk of non-fatal overdose (e.g. Gossop et al., 2000a,b; Prendergast et al., 2002; Stewart et al., 2002; WHO, 2009). Thus, accessing and adhering to drug treatment is a significant step towards recovery from drug dependence, but additional social support is often required.