Uplifts and hassles are related to worsening in chronic fatigue syndrome: a prospective study.
Friedberg, Fred, Adamowicz, Jenna L, Bruckenthal, Patricia et al. · Journal of translational medicine · 2023 · DOI
Quick Summary
This study tracked 128 ME/CFS patients over six months to see how daily pleasant and unpleasant events related to whether their illness got better, stayed the same, or got worse. Patients who worsened experienced more intense unpleasant events and had fewer pleasant events over time, while those who improved showed the opposite pattern. The findings suggest that the balance between daily hassles and uplifts may play a role in how ME/CFS progresses.
Why It Matters
Understanding the relationship between daily life events and disease trajectory could inform behavioral interventions for ME/CFS, offering patients and clinicians potentially modifiable targets beyond symptom management alone. This addresses the significant gap in knowing what factors influence clinical worsening versus improvement in ME/CFS.
Observed Findings
Non-social hassles intensity increased over six months in patients whose illness worsened (p=0.03) and decreased in those who improved (p=0.05).
Patients with worsening illness showed a significant downward trend in frequency of non-social uplifts over six months (p=0.01).
Work status was significantly lower in non-improved patient groups compared to improved groups (p<0.001).
No significant differences in age, sex, or illness duration were found between outcome groups.
Inferred Conclusions
Individuals with worsening ME/CFS experience significantly different trajectories of weekly hassles and reduced uplifts compared to those who improve.
The pattern of daily pleasant and unpleasant events may serve as a marker of illness trajectory in ME/CFS.
Behavioral interventions targeting the frequency and intensity of uplifts and hassles may have clinical relevance for ME/CFS management.
Remaining Questions
Do interventions that increase uplifts or reduce hassles actually improve ME/CFS outcomes, or do they merely track underlying disease changes?
How do social versus non-social uplifts and hassles differ in their relationship to worsening, and which should interventions prioritize?
What This Study Does Not Prove
This study does not prove that hassles cause worsening or that increasing uplifts will improve ME/CFS outcomes—the relationship may be bidirectional or driven by unmeasured factors. The observational design cannot establish causation, and the homogeneous sample limits generalizability to diverse ME/CFS populations. Additionally, it does not determine which types of uplifts or hassles are most therapeutic or harmful.