Relapse is a common experience for many individuals recovering from drug addiction, and it does not necessarily mean that they will never achieve long-term sobriety. According to research, between 40 and 60% of people who complete a drug addiction treatment program will relapse at some point. However, addiction is a complex disease, and the likelihood of relapse can depend on a variety of factors, including the severity of the addiction, the presence of co-occurring mental health disorders, and environmental factors. That being said, many drug addicts are able to achieve lasting recovery and lead fulfilling lives without returning to substance use.