Cannon, J G, St Pierre, B A · Journal of psychiatric research · 1997 · DOI
This review looks at why the immune system works differently in women compared to men. Women generally have stronger immune responses, which helps them fight infections better, but also makes them more likely to develop autoimmune diseases where the immune system attacks the body. Because ME/CFS affects mostly women, researchers wondered if these gender differences in immune function might help explain why the illness is so much more common in women.
ME/CFS disproportionately affects women, and understanding the biological mechanisms underlying this sex difference could reveal why certain individuals develop the condition. This review connects established immunological sex differences to ME/CFS pathophysiology, potentially guiding future research into immune dysregulation in the disease.
This is a literature review, not an original research study, so it does not present new experimental evidence or confirm that gender differences in immune function actually cause ME/CFS. The review proposes a hypothesis linking sex-based immunity to ME/CFS prevalence but does not establish causation or test this mechanism in ME/CFS patients specifically.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
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