Influence of psychological stress on chronic fatigue syndrome

Takakazu Oka

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This article reviews the influence of psychological stress on chronic fatigue syndrome (CFS). Studies have demonstrated that psychological stress is involved in the CFS onset, exacerbation, and/or relapse, while early life stress acts as a risk factor toward the development of CFS in later life. CFS patients may have disrupted stress systems, including HPA axis hypofunction and ANS alterations characterized by sympathetic overactivity and low vagal tone. Individuals with CFS respond to psychological stress differently from healthy subjects in that CFS patients show a blunted (or similar) activation of the HPA axis and SNS and attenuation of proinflammatory cytokine induction, whereas psychological stress increases cytokine levels in healthy subjects. It is not fully understood how such disrupted stress systems and differential stress responsiveness contribute to the pathophysiology of CFS. Further studies are necessary to determine whether laboratory stress can fully replicate typical daily stress and how stress responsiveness is related to psychological stress-induced exacerbation of CFS symptoms. This article also reviews the role of psychological stress in low-grade fever in CFS and the role of adaptive or maladaptive coping in the severity of CFS symptoms.

Original languageEnglish
Pages (from-to)301-309
Number of pages9
JournalAdvances in Neuroimmune Biology
Volume4
Issue number4
DOIs
Publication statusPublished - 2013

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Chronic Fatigue Syndrome
Psychological Stress
Healthy Volunteers
Cytokines
Fever
Recurrence

All Science Journal Classification (ASJC) codes

  • Immunology
  • Endocrinology
  • Endocrine and Autonomic Systems

Cite this

Influence of psychological stress on chronic fatigue syndrome. / Oka, Takakazu.

In: Advances in Neuroimmune Biology, Vol. 4, No. 4, 2013, p. 301-309.

Research output: Contribution to journalArticle

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