Engel, Charles C · CNS spectrums · 2006 · DOI
This paper discusses two different ways to approach studying and treating illnesses like ME/CFS that don't have a clear, well-understood cause. One approach focuses on finding the root cause in controlled settings; the other focuses on whether treatments actually work in real-world patient care. The authors argue that for conditions like ME/CFS, the practical approach—focusing on what helps patients in everyday life—may be more useful than searching for a single underlying cause.
This framework offers ME/CFS patients and researchers a way to reduce conflict between different medical disciplines and between doctors and patients by shifting focus from debating causes to implementing evidence-based treatments that work in practice. It validates pragmatic research approaches that measure real-world benefit rather than requiring proof of a single underlying mechanism before treatment is offered.
This paper does not prove that ME/CFS has no biological cause or that biological research is unimportant. It is a methodological perspective piece, not an empirical study with data on ME/CFS patients, so it does not provide evidence about disease mechanisms, treatment efficacy, or patient outcomes in any specific population.
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 →
Spotted an error in this entry? Report it →