TY - GEN AU - Nora D. Volkow A1 - C4 - This grey literature reference is included in the Academy's Literature Collection in keeping with our mission to gather all sources of information on integration. Grey literature is comprised of materials that are not made available through traditional publishing avenues. Often, the information from unpublished resources can be limited and the risk of bias cannot be determined. C5 - Grey Literature; Opioids & Substance Use PY - 2018 RN - https://www.drugabuse.gov/about-nida/noras-blog/2018/03/what-does-it-mean-when-we-call-addiction-brain-disorder T1 - What Does It Mean When We Call Addiction a Brain Disorder? TI - What Does It Mean When We Call Addiction a Brain Disorder? U1 - Grey Literature; Opioids & Substance Use U4 - This grey literature reference is included in the Academy's Literature Collection in keeping with our mission to gather all sources of information on integration. Grey literature is comprised of materials that are not made available through traditional publishing avenues. Often, the information from unpublished resources can be limited and the risk of bias cannot be determined. U5 - https://www.drugabuse.gov/about-nida/noras-blog/2018/03/what-does-it-mean-when-we-call-addiction-brain-disorder Y1 - 2018 ER -