Selected Health Conditions Among Overweight, Obese, and Non-Obese Veterans of the 1991 Gulf War: Results from a Survey Conducted in 2003-2005. — CFSMEATLAS
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Selected Health Conditions Among Overweight, Obese, and Non-Obese Veterans of the 1991 Gulf War: Results from a Survey Conducted in 2003-2005.
Coughlin, Steven S, Kang, Han K, Mahan, Clare M · The open epidemiology journal · 2011 · DOI
Quick Summary
This study looked at nearly 10,000 Gulf War veterans and veterans from the same era to see if weight and obesity were connected to health problems like chronic fatigue syndrome (CFS), post-traumatic stress disorder (PTSD), and multi-symptom illness. The researchers found that obese veterans were more likely to have PTSD, but obesity did not explain why Gulf War veterans had more CFS-like illness or multi-symptom illness compared to other veterans.
Why It Matters
For ME/CFS patients and researchers, this study is important because it demonstrates that Gulf War-related CFS-like illness and multi-symptom illness cannot be explained by differences in obesity rates between deployed and non-deployed cohorts. This suggests that deployment-related exposures or other factors, not lifestyle-related weight gain, are driving the excess CFS burden in this population.
Observed Findings
Approximately 46.8% of Gulf War veterans and 48.7% of Gulf Era veterans were overweight (BMI 25–29.9)
Approximately 29.6% of Gulf War veterans and 28.3% of Gulf Era veterans were obese (BMI ≥30)
In unadjusted analyses, PTSD, MSI, CFS-like illness, and other chronic conditions were more common in obese versus normal-weight veterans
After multivariate adjustment, obesity remained significantly associated with PTSD (aOR 1.5)
After multivariate adjustment, no significant associations were found between BMI categories and CFS-like illness or MSI
Inferred Conclusions
Obesity is a significant correlate of PTSD in Gulf War and Gulf Era veterans but does not account for deployment-related associations with CFS-like illness or MSI
The excess burden of CFS-like illness and MSI in Gulf War veterans is not explained by differences in the prevalence of overweight or obesity
CFS-like illness and MSI in Gulf War veterans may be driven by deployment-specific exposures or health effects rather than lifestyle factors associated with weight gain
Remaining Questions
Does obesity worsen the severity or prognosis of CFS-like illness in Gulf War veterans, even if it does not explain the excess prevalence?
What This Study Does Not Prove
This study does not prove that obesity causes or prevents CFS-like illness, nor does it establish whether obesity and CFS share common pathophysiological mechanisms in Gulf War veterans. The cross-sectional design means associations are correlational only, and self-reported height and weight data introduce measurement error that could bias results. The study also does not clarify the temporal relationship between weight gain and symptom onset.
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 →