Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Cannabis has been explored as a potential aid in the treatment of addiction, particularly for substances such as opioids, alcohol, and tobacco. The scientific evidence supporting its use is limited and mixed, thus meriting a low-to-moderate score. Some observational studies and small clinical trials suggest that cannabinoids (particularly cannabidiol, or CBD) may help reduce cravings and withdrawal symptoms for certain substances. For example, a 2019 double-blind randomized controlled trial in The American Journal of Psychiatry found that CBD reduced cue-induced cravings and anxiety in individuals with heroin use disorder. There is also anecdotal and survey-based evidence that some patients substitute cannabis for more harmful substances, reporting fewer side effects and better symptom management.

However, the overall body of evidence remains inconclusive due to methodological limitations, small sample sizes, and lack of long-term follow-up. Additionally, there is concern that cannabis itself can be addictive and may contribute to problematic use in some individuals. Major health organizations, including the World Health Organization and the American Psychiatric Association, do not currently endorse cannabis as a standard treatment for addiction. In summary, while there is emerging and preliminary scientific interest, robust and consistent validation is lacking, and more high-quality research is needed to clarify the risks and benefits of cannabis in addiction treatment.

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