[Music playing] Julie Teater, MD:Compulsion, craving, consequences, and control are the four Cs of substance use disorders. They are present in all substance use disorders, as well as many other behavioral compulsions or addictive disorders. Those four Cs really are the hallmark of a substance use disorder and include being unable to stop despite having consequences, having craving for the substance and loss of control over the behavior. The Ohio State University Wexner Medical Center logo [Text onscreen For more information, visit go.osu.edu/SUDT]