A recent study in BMC Medicine highlights the impact of a Western diet (WD) on endometriosis progression and gut health in a mouse model, suggesting that dietary patterns may play a crucial role in managing this condition. Researchers found that WD accelerates the growth of endometriotic lesions and alters immune responses, potentially worsening inflammation. Specifically, mice fed a WD exhibited a notable increase in lesion volume—almost double that of mice on a control diet. These lesions also showed signs of fibrosis and increased macrophage activity, hinting at WD’s role in promoting an inflammatory environment that may worsen endometriosis.
The study also revealed that WD led to a marked depletion of Akkermansia muciniphila, a beneficial gut bacterium known to support intestinal health and reduce low-grade inflammation. While the exact mechanism remains uncertain, the absence of A. muciniphila could weaken the intestinal barrier, allowing harmful byproducts to trigger systemic inflammation, which may worsen endometriosis symptoms.
This research underscores the intricate link between diet, the gut microbiome, and immune responses in endometriosis. Previous studies have suggested that anti-inflammatory diets and probiotics might alleviate some symptoms of endometriosis, and the findings in this study suggest that dietary modifications could offer a non-invasive approach to managing the disease. Future research should aim to identify optimal dietary interventions for endometriosis patients and investigate if the microbiome changes induced by a WD are reversible. This study paves the way for considering diet as an integral part of endometriosis care, with potential benefits for gut health and symptom relief.