This clinical trial evaluates the impact of a Stop Addiction Stigma (SAS) training workshop with a short description of the conditions related to addiction (vignettes) on stigmatizing attitudes toward individuals with substance abuse disorders. Reviews have shown that patients with substance abuse disorders have experienced negative attitudes from their health care providers. Negative attitudes may lead to less involvement from the provider and the patient and may lead to less effective care. Using case vignettes with a SAS workshop may be an effective method to help people learn about addiction, reduce the stigma toward addiction and improve the quality of health care.