Opioid addiction medication can be costly, but new research from Michigan Medicine found that despite increased costs, patients almost always fill these prescriptions — even if they have to pay more out of their own pocket. Kao-Ping Chua, M.D., Ph.D., a member of the U-M Opioid Research Institute and assistant professor in the U-M Medical School and School of Public Health, explores the key findings, suggesting that other barriers to dispensation be addressed to expand treatment.