This guide intends to educate clinicians and other stakeholders about the harms of using more than one substance and consideration for addressing concurrent substance use (CSU) and concurrent substance use disorders (CSUD).

This guide reviews literature on treating college students’ mental health concerns, such as anxiety, depression, and suicidal thoughts and behaviors; distills the research into recommendations for practice; and provides examples of the ways that these recommendations can be implemented.

This advisory defines attention deficit hyperactivity disorder in adults, and explains interactions with substance use disorders.