Bell, Iris R, Brooks, Audrey J, Baldwin, Carol M et al. · Aviation, space, and environmental medicine · 2005
This study examined how exposure to low levels of jet fuel affected thinking and attention in Gulf War veterans who were chronically ill. Researchers tested veterans' reaction times on a computer task before and after brief exposures to either jet fuel fumes or clean air, done three times over three weeks. Veterans who were ill and had chemical sensitivities showed faster reaction times after jet fuel exposure, which the researchers suggest might indicate changes in brain chemistry rather than improved thinking.
This research addresses a critical gap by objectively measuring cognitive performance changes in response to low-level chemical exposure in a Gulf War veteran cohort with symptoms overlapping ME/CFS. Understanding whether repeated environmental chemical exposure produces measurable neurobiological changes could inform whether similar mechanisms operate in ME/CFS patients reporting chemical sensitivities and cognitive dysfunction. The findings suggest potential biomarkers and neural pathways that might be relevant to post-infectious or chemically-triggered ME/CFS variants.
This study does not prove that jet fuel exposure causes chronic illness or ME/CFS, nor does it establish causation for the observed reaction time changes—faster reactions could reflect compensatory activation rather than improvement. The study involves only Gulf War veterans with specific exposures and cannot be directly generalized to ME/CFS patients or civilian chemical sensitivities. Additionally, reaction time acceleration does not necessarily translate to real-world functional improvement or symptom relief.
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
Bell, Iris R, Brooks, Audrey J, Baldwin, Carol M, Fernandez, Mercedes, Figueredo, Aurelio J, & Witten, Mark L (2005). JP-8 jet fuel exposure and divided attention test performance in 1991 Gulf War veterans.. Aviation, space, and environmental medicine. https://pubmed.ncbi.nlm.nih.gov/16385767/
BibTeX
@article{mecfsatlas-bell-2005-jet-fuel,
author = {Bell, Iris R and Brooks, Audrey J and Baldwin, Carol M and Fernandez, Mercedes and Figueredo, Aurelio J and Witten, Mark L},
title = {JP-8 jet fuel exposure and divided attention test performance in 1991 Gulf War veterans.},
journal = {Aviation, space, and environmental medicine},
year = {2005},
note = {PubMed: 16385767},
url = {https://www.mecfsatlas.com/evidence/bell-2005-jet-fuel},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-26. https://www.mecfsatlas.com/evidence/bell-2005-jet-fuel
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