Drug using behaviours and beliefs, and associated harms, among gay and bisexual men. Gay and bisexual men have high rates of drug use. This cohort study will contribute to Australia’s response to drug use by identifying: risk factors for, and prevalence and incidence of, drug use and associated harms within this high risk population; the role of gay community norms in individuals' beliefs about and motivations for drug use; and, implications for HIV and HCV infection. The findings will help to b ....Drug using behaviours and beliefs, and associated harms, among gay and bisexual men. Gay and bisexual men have high rates of drug use. This cohort study will contribute to Australia’s response to drug use by identifying: risk factors for, and prevalence and incidence of, drug use and associated harms within this high risk population; the role of gay community norms in individuals' beliefs about and motivations for drug use; and, implications for HIV and HCV infection. The findings will help to better target, educate and support those at risk of drug use and associated harms. Read moreRead less