Abstract

Addiction is often viewed primarily as a psychological or behavioral disorder, but growing research indicates that it also has profound biological effects, particularly on the immune system. Substance use and addiction can lead to immune system dysregulation, increasing susceptibility to infections, chronic inflammation, and other health Open Access i t c i c h complications. This paper explores the relationship between addiction and immune system dysfunction, focusing on how substances like alcohol, opioids, and stimulants impact immune function. The paper also discusses the mechanisms underlying immune system alterations in addiction, the potential long-term consequences for physical health, and implications for treatment and recovery. Understanding the biological impact of addiction on immune function is critical for developing comprehensive treatment approaches.