Mawson, Anthony R, Croft, Ashley M · International journal of environmental research and public health · 2019 · DOI
Gulf War Illness (GWI) affects 25-32% of veterans from the 1991 Gulf War and causes chronic pain, fatigue, weakness, headaches, and thinking problems. This paper proposes that a combination of vaccinations and exposure to chemicals like an anti-nerve-agent drug (pyridostigmine bromide) may have damaged veterans' livers, causing them to release vitamin A at toxic levels into the bloodstream. This liver-based explanation could also help explain similar conditions like ME/CFS, fibromyalgia, and multiple chemical sensitivities.
This hypothesis offers a potential unifying biological mechanism for GWI and several conditions that overlap significantly with ME/CFS, including fibromyalgia and multiple chemical sensitivities. If liver dysfunction and retinoid toxicity are confirmed as pathogenic factors, it could open new diagnostic and therapeutic avenues for ME/CFS patients and Gulf War veterans experiencing similar symptoms.
This paper presents a theoretical hypothesis, not empirical proof. It does not demonstrate that liver dysfunction or hypervitaminosis A actually occurs in GWI patients, nor does it establish causation—only that the proposed mechanism is biologically plausible. The overlap in symptoms between GWI, ME/CFS, and other conditions does not prove they share an identical underlying cause.
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 →
The first block is for the primary paper and is the citation you should use in research work. The atlas-snapshot line only applies if you are specifically referring to this atlas’s reading of the paper on the date shown.
Primary citation
Mawson, Anthony R & Croft, Ashley M (2019). Gulf War Illness: Unifying Hypothesis for a Continuing Health Problem.. International journal of environmental research and public health. https://doi.org/10.3390/ijerph16010111
BibTeX
@article{mecfsatlas-mawson-2019-gulf-war,
author = {Mawson, Anthony R and Croft, Ashley M},
title = {Gulf War Illness: Unifying Hypothesis for a Continuing Health Problem.},
journal = {International journal of environmental research and public health},
year = {2019},
doi = {10.3390/ijerph16010111},
note = {PubMed: 30609834},
url = {https://www.mecfsatlas.com/evidence/mawson-2019-gulf-war},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-28. https://www.mecfsatlas.com/evidence/mawson-2019-gulf-war
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