Explore how to differentiate different drugs as a part of a problem? What are the correlation between single drug use, dependency, and problematic drug use? Why is the prevalence of dependence on various drugs such as heroin, meth, cigarette, and alcohol use? Learn how to differentiate who uses drugs well in terms of prevention. When providing services to GBMSM regarding a healthy relationship and boundary setting with PnP, what are some personal factors of the individual and biopsychosocial context?