Content Warning: This article discusses drug use, heroin addiction, and trauma. John Makohen, a seasoned substance use counselor and author of *A Heroin User’s Guide to Harm Reduction*, shares his lived experience of life on the streets, the risks of drug use, and the lessons that shaped his journey toward recovery.

Homeless people and substance use disorder addiction often co-occur, and, unfortunately, many people struggling with both issues are unable to get the help they need. Substance abuse can develop due to the stressors associated with homelessness. On the other hand, addiction can also contribute to homelessness. Additionally, many homeless people have an addiction as well as other co-occurring psychiatric disorders, which can further complicate their living situations.