Problem: Rewrite in 3rd person. The Substance Abuse and Mental Health Services Administration (SAMHSA) states that approximately 7.9 million adults in the United States have co-occurring mental health and substance use disorders (SAMHSA, 2020). This underlines the necessity for treatments that consider both substance abuse and mental health simultaneously. A meta-analysis by Mueser et al. (2003) published in Psychological Medicine highlights that integrated treatment for co-occurring conditions leads to better outcomes, including reduced substance use and improved mental health. This research emphasizes that Alex's treatment should simultaneously address his anxiety and alcohol use disorder to be most effective. Research published in the Journal of Consulting and Clinical Psychology found that clients who feel that their treatment is a good fit for their needs are more likely to remain engaged in therapy. Specifically, clients who experience a good fit are 1.5 times more likely to complete their treatment plans (Hohenshil, et al., 2003). Need Assignment Help?