This healthcare assignment addresses various aspects of Alcohol and Other Drug (AOD) issues. It defines risk and protective factors influencing AOD use, providing examples such as family dynamics and socioeconomic status. The assignment explores how family and peer groups can act as both protective and risk factors. It identifies and discusses an addiction theory, explaining how it elucidates the complexities of addiction. Furthermore, the assignment defines comorbidity/dual diagnosis, emphasizing the co-occurrence of mental health disorders and substance abuse. Finally, the assignment reflects on the learning acquired, particularly on dual diagnosis, and its implications in healthcare practice. The assignment draws upon relevant research and course materials to support its analysis.