PM&R
Volume 2, Issue 5 , Pages 327-331, May 2010

What is Fatigue? Pathological and Nonpathological Fatigue

  • Leonard A. Jason, PhD

      Affiliations

    • Center for Community Research, DePaul University, 990 W. Fullerton Ave., Suite 3100, Chicago, IL, 60614‡
    • Corresponding Author InformationAddress correspondence to: L.A.J.
    • ,
  • Meredyth Evans, BA

      Affiliations

    • Center for Community Research, DePaul University, Chicago, IL§
    • ,
  • Molly Brown, MA

      Affiliations

    • Center for Community Research, DePaul University, Chicago, IL
    • ,
  • Nicole Porter, PhD

      Affiliations

    • Center for Community Research, DePaul University, Chicago, IL∥

Received 15 January 2010; accepted 23 March 2010.

Abstract

Aid in understanding issues surrounding the construct validity of fatigue including the distinction between pathological versus nonpathological fatigue. Fatigue is a universal symptom reported by individuals in the general population as well as by those suffering from different medical and psychological illnesses, including cancer, multiple sclerosis, chronic fatigue syndrome, depression, and anxiety. Chronic fatigue is a significant problem in many primary care settings, and the debilitating and prolonged nature of fatigue can pose significant economic consequences for society. Researchers have struggled to better assess and understand the etiology and classification of fatigue within different illness groups.

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  • ‡ Disclosure: 7, National Institute of Allergy and Infectious Diseases (grant numbers AI36295, AI49720)
  • § Disclosure: 7, National Institute of Allergy and Infectious Diseases (grant numbers AI36295, AI49720)
  •  Disclosure: 7, National Institute of Allergy and Infectious Diseases (grant numbers AI36295, AI49720)
  • ∥ Disclosure: 7, National Institute of Allergy and Infectious Diseases (grant numbers AI36295, AI49720)

 Disclosure Key can be found on the Table of Contents and at www.pmrjournal.org

PII: S1934-1482(10)00296-0

doi:10.1016/j.pmrj.2010.03.028

PM&R
Volume 2, Issue 5 , Pages 327-331, May 2010

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