Adler, Rolf H · Swiss medical weekly · 2004 · DOI
This review examines whether ME/CFS is a single illness or actually several different conditions. The authors found that ME/CFS involves multiple body systems—including the immune system, nervous system, hormones, and muscles—and that psychological factors also play a role. Rather than one disease, they suggest ME/CFS represents the body's emergency stress responses (fight-or-flight and shutdown) being inappropriately activated, and treatment should address the whole person, not just symptoms.
This framework helps explain why ME/CFS patients experience such diverse symptoms across multiple body systems and why some patients respond differently to the same treatments. It emphasizes the importance of individualized, whole-person assessment rather than one-size-fits-all approaches, which has implications for clinical care and research design.
This review does not establish causal mechanisms underlying ME/CFS, nor does it validate the biological emergency reaction framework through new empirical data. The proposal that CFS represents primarily a misactivation of normal stress responses does not prove that infectious triggers, genetic factors, or specific immune dysregulation are not primary drivers in some patients.
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
Adler, Rolf H (2004). Chronic fatigue syndrome (cfs).. Swiss medical weekly. https://doi.org/10.4414/smw.2004.10213
BibTeX
@article{mecfsatlas-adler-2004-chronic-fatigue,
author = {Adler, Rolf H},
title = {Chronic fatigue syndrome (cfs).},
journal = {Swiss medical weekly},
year = {2004},
doi = {10.4414/smw.2004.10213},
note = {PubMed: 15243847},
url = {https://www.mecfsatlas.com/evidence/adler-2004-chronic-fatigue},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-27. https://www.mecfsatlas.com/evidence/adler-2004-chronic-fatigue
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