“…Drug use, particularly when used to enhance sexual pleasures has been associated with CLAIC and with incident HIV infection among GBM (Bolding et al, 2006;Buchacz et al, 2005;DiFranceisco, Ostrow, & Chmiel, 1996;Koblin et al, 2003;McCabe, Hughes, Bostwick, West, & Boyd, 2009;Prestage, 2009;Prestage, Grierson, Bradley, Hurley, & Hudson, 2009a;Rusch, Lampinen, Schilder, & Hogg, 2004;Solomon, Kiang, Halkitis, Moeller, & Pappas, 2010). Specigfically, crystal methamphetamine and erectile dysfunctin medication (EDM), both used separately or in combonation, have been most strongly implicated with sexual risk behaviours and HIV infection (Prestage, Jin, Kippaz, Zablotska, Imrine, & Grulich, 2009b;Fisher, Reynolds, & Napper, 2010).…”