“…There is now a wealth of evidence from a range of countries demonstrating that, in comparison to their home-based peers, homeless young people use more drugs, use these drugs more often, and are dramatically more likely to inject (Bailey, Camlin, & Ennett, 1998;Fors & Rojek, 1991;Greene, Ennett, & Ringwalt, 1997;Holtzman et al, 1991;Kral, Molnar, Booth, & Watters, 1997;Rosenthal et al, 2005;Rosenthal, Moore, & Buzwell, 1994;Smart, Adlaf, Walsh, & Zdanowicz, 1994;Yates, MacKenzie, Pennbridge, & Cohen, 1988). Similarly, a review of surveys of mental health problems of homeless adolescents concluded that there was a high rate of mental disorders among homeless young people (Sleegers, Spijker, & van Limbeek, 1998). Homeless young people are more likely to attempt suicide and to engage in self-harm (Desai, Liu-Mares, Dausey, & Rosenheck, 2003;Rew, Taylor-Seehafer, & Fitzgerald, 2001; substance abuse problems among this population.…”