Canna~Fangled Abstracts Prevalence and correlates of marijuana use among HIV-seropositive and seronegative men in the Multicenter AIDS Cohort Study (MACS), 1984-2013. 2016 Nov 3:1-11. Okafor CN1, Cook RL1, Chen X1, Surkan PJ2, Becker JT3, Shoptaw S4, Martin E5, Plankey MW6. Author information Abstract…Freedom WaresNovember 3, 2016