Fatigue in older adults: an early indicator of the aging process?

Kirsten Avlund

    158 Citations (Scopus)


    The aim of this paper is to give an overview of research on fatigue in older adults, with a focus on fatigue as an early indicator of the aging process. Fatigue is a strong predictor of functional limitations, disability, mortality, and other adverse outcomes in young-old and old-old populations, between men and women, and in different geographic localities. Several biological, physiological and social explanations are proposed: fatigue may be seen not only as a self-reported indicator of frailty, defined as a physiologic state of increased vulnerability to stressors, which results from decreased physiologic reserves and even dysregulation of multiple physiologic systems, but also this state may be accelerated because of the cumulative impact of social, mental and biological factors throughout life.
    Original languageEnglish
    JournalAging clinical and experimental research
    Issue number2
    Pages (from-to)100-15
    Number of pages16
    Publication statusPublished - 1 Apr 2010


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