Substance use and substance use disorder differ by the frequency of use and the effect on a person’s life. Substance use disorder is a mental health condition. Substance use refers to using both legal ...

Learn about the five types of substance abuse disorders, how each affects the brain and behavior, and where to get structured ...

With multiple stakeholders involved with different interests, the “specialty drug” definition can be a moving target. The growing disproportionate amount of drug spending on such a small subset of ...