Boscarino, Joseph A · Annals of the New York Academy of Sciences · 2004 · DOI
This study looked at whether people with PTSD (post-traumatic stress disorder) are more likely to develop physical illnesses, including chronic fatigue syndrome. Researchers examined nearly 2,500 Vietnam veterans and found that those with chronic PTSD had higher rates of autoimmune diseases and showed immune system changes that could explain why trauma survivors develop long-lasting health problems.
This research is relevant to ME/CFS because chronic fatigue syndrome was explicitly mentioned as a condition linked to traumatic stress and PTSD, and the study identifies specific immune and neuroendocrine abnormalities that could explain symptom development. Understanding how psychological trauma can trigger persistent immune dysregulation may help clarify disease mechanisms in both PTSD-associated illnesses and conditions like ME/CFS that involve similar immune and hormonal abnormalities.
This study does not prove that trauma causes chronic fatigue syndrome or that all ME/CFS has a PTSD origin—it only shows associations in a veteran population. The cross-sectional design cannot establish causality or temporal relationships. Results may not apply to ME/CFS patients without trauma histories or to non-veteran populations.
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
Boscarino, Joseph A (2004). Posttraumatic stress disorder and physical illness: results from clinical and epidemiologic studies.. Annals of the New York Academy of Sciences. https://doi.org/10.1196/annals.1314.011
BibTeX
@article{mecfsatlas-boscarino-2004-posttraumatic-stress,
author = {Boscarino, Joseph A},
title = {Posttraumatic stress disorder and physical illness: results from clinical and epidemiologic studies.},
journal = {Annals of the New York Academy of Sciences},
year = {2004},
doi = {10.1196/annals.1314.011},
note = {PubMed: 15677401},
url = {https://www.mecfsatlas.com/evidence/boscarino-2004-posttraumatic-stress},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-30. https://www.mecfsatlas.com/evidence/boscarino-2004-posttraumatic-stress
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