Djamshidian, Atbin, Lees, Andrew J · Journal of neurology, neurosurgery, and psychiatry · 2014 · DOI
This review examines whether chronic stress might trigger Parkinson's disease in people who are genetically vulnerable. The authors searched medical literature to understand how stress affects the brain's dopamine system and whether stress-related symptoms can mimic Parkinson's disease. They also explored connections between stress and other conditions like ME/CFS, fibromyalgia, and irritable bowel syndrome that share similar nervous system dysfunction.
This study is relevant to ME/CFS research because it highlights the shared role of stress-induced neurological dysfunction across multiple conditions, including chronic fatigue syndrome. Understanding stress mechanisms in Parkinson's disease may illuminate similar dopaminergic and neuroinflammatory pathways implicated in ME/CFS pathophysiology. The review bridges neurological conditions with functional somatic syndromes, suggesting common stress-related mechanisms worth investigating in ME/CFS populations.
This review does not establish that stress directly causes Parkinson's disease or ME/CFS—it examines stress as a potential trigger in genetically susceptible individuals. The literature review format cannot prove causation; it identifies correlations and proposed mechanisms. Inclusion of reversible stress-induced parkinsonism does not demonstrate that chronic stress causes permanent neurodegeneration in the general population.
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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