SYSTEMATIC REVIEW article, Front. Oncol., 14 April 2025; Sec. Cancer Epidemiology and Prevention, Volume 15 – 2025, https://doi.org/10.3389/fonc.2025.1490621
Meta-analysis of medical cannabis outcomes and associations with cancer
“This work constitutes a data-driven sentiment analysis and comprehensive correlational calculations through two separate methodologies, reviewing the text from 10,641 peer-reviewed studies on medical cannabis to determine the consensus on whether the benefits outweigh the risks for various aspects of cancer care. The aggregated correlation strength of cannabis across all cancer topics indicates that support for medical cannabis is 31.38× stronger than opposition to it.
These findings revealed a significant trend suggesting support of cannabis’ therapeutic potential, particularly in managing cancer-related symptoms and possibly exerting direct anticarcinogenic effects. Across all categories examined—health metrics, cancer treatments, and cancer dynamics—there is a consistent consensus that supports the potential of medical cannabis.
The anti-inflammatory properties of cannabis were strongly supported, with a robust consensus indicating that cannabis’ benefits in reducing inflammation significantly outweigh potential risks. This is a critical finding, as inflammation is a key factor in many chronic diseases, including cancer. Extensive biomarkers support the idea that cannabis has a broad utility in managing various health conditions, with minimal significant opposition or ambiguity in the data.
Cancer treatments, including chemotherapy, appetite management, and pain relief, also indicated strong support for the use of cannabis as an adjunct therapy, though there is some variability in the strength of this consensus across different applications. The analysis also revealed particularly strong support for cannabis’ potential as an anticarcinogenic agent. The robust association between cannabis and reduced tumor growth, as well as its potential to influence cancerous processes, highlights an emerging consensus within the scientific community.
Discussion: The findings indicate a strong and growing consensus within the scientific community regarding the therapeutic benefits of cannabis, particularly in the context of cancer. The consistent correlation strengths for cannabis as both a palliative adjunct and a potential anticarcinogenic agent redefine the consensus around cannabis as a medical intervention.
Conclusion: The consistency of positive sentiments across a wide range of studies suggests that cannabis should be re-evaluated within the medical community as a treatment option. The findings have implications for public health research, clinical practice, and discussions surrounding the legal status of medical cannabis. These results suggest a need for further research to explore the full therapeutic potential of cannabis and address knowledge gaps.”
Read it at: https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1490621/full