“…Substance use has also been implicated in HIV/STI risk among young African Americans, including cigarette (Berg et al, 2012;Hill et al, 2014;Swartzendruber, Sales, Brown, DiClemente, & Rose, 2014;Waldrop-Valverde et al, 2013) cocaine (Ritchwood, DeCoster, Metzger, Bolland, & Danielson, 2016), opiate (Mulatu, Leonard, Godette, & Fulmore, 2008), ecstasy (J. M. Jackson et al, 2015;Stephens et al, 2016) and inhalant use (Berger, Khan, & Cleland, 2016) as well as general substance use problems (Woods-Jaeger, Jaeger, . However, alcohol and marijuana, the most commonly-used substances among African American adolescents and young adults (Miech, Johnston, O'Malley, Bachman, & Schulenberg, 2016), are the substances most often studied among this population, both showing consistent relationships with HIV/STI risk (e.g., Keen, Blanden, & Rehmani, 2016;Sales, Monahan, et al, 2014;Swartzendruber, Sales, Brown, DiClemente, & Rose, 2014;.…”