A narrative review found that both the endocannabinoid system and gut microbiota independently influence endometriosis through inflammation and immune regulation, with potential for cross-system therapeutic approaches.
Read this if you have endometriosis and want to understand how the endocannabinoid system and gut health relate to your condition.
10-14% of womenPrevalence of endometriosis, a condition influenced by both endocannabinoid and gut microbiome dysfunction
What the researchers found
The review identified several key connections: the endocannabinoid system regulates inflammation and pain in endometriosis through CB1 receptor expression changes and elevated circulating endocannabinoids. Gut microbial imbalances (increased Prevotella linked to bloating; increased E. coli supporting the bacterial contamination hypothesis) correlate with endometriosis symptoms and raised inflammatory markers (TNF-α, IL-6). The endocannabinoid 2-AG showed protective effects on gut permeability and inflammation, suggesting the two systems interact.
Why it matters
Endometriosis affects 10-14% of women with limited treatment options. Understanding how the endocannabinoid system and gut microbiome interact could open new therapeutic approaches beyond hormonal treatment and surgery.
The numbers in context
- Endometriosis affects 10-14% of women
- Increased Prevotella correlated with bloating
- Increased E. coli supports bacterial contamination hypothesis
- Raised TNF-α and IL-6 in endometriosis
- 2-AG decreased gut inflammation and improved permeability
- CB1 receptor expression changes observed
How the study worked
Narrative review of published literature on endocannabinoid system, gut microbiota, and endometriosis interactions.
Who was studied
Women with endometriosis (review of existing literature)
What this study cannot tell us
Narrative review without systematic methodology. Most underlying evidence is from observational and preclinical studies. The interactions between ECS and microbiota in endometriosis are largely theoretical and have not been tested in clinical trials.
How to read the evidence
Narrative review synthesizing preclinical and observational evidence. Provides a theoretical framework but lacks direct clinical evidence.
When this study was published
Published in 2023. Reflects emerging interest in systems-biology approaches to endometriosis.
The bigger picture
The growing recognition of gut-endocannabinoid system crosstalk opens a new perspective on endometriosis that goes beyond the traditional focus on estrogen. This systems-biology approach could eventually lead to more targeted, less hormonal treatments.
Questions still open
- Could cannabinoid-based therapies improve gut symptoms in endometriosis patients?
- Do probiotics that restore gut balance also affect endocannabinoid levels?
- Would cannabis use affect endometriosis progression through gut microbiome changes?
Read the original research
Cannabis and Endometriosis: The Roles of the Gut Microbiota and the Endocannabinoid System.
Journal of clinical medicine, 12(22)
Citation
Farooqi, Toobah; Bhuyan, Deep Jyoti; Low, Mitchell; Sinclair, Justin; Leonardi, Mathew; Armour, Mike. (2023). Cannabis and Endometriosis: The Roles of the Gut Microbiota and the Endocannabinoid System.. Journal of clinical medicine, 12(22). https://doi.org/10.3390/jcm12227071