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Physiological variation and adaptability in human populations

K J Collins1

  • 1Centre for Geriatric Medicine, University College Hospitals, London, UK.

Annals of Human Biology
|February 12, 1999
PubMed
Summary

This review examines 25 years of population physiology research, focusing on physiological variation and adaptation. Key findings highlight factors influencing work capacity, stress impacts, and human adaptability across diverse environments and age groups.

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Area of Science:

  • Human Physiology
  • Population Biology
  • Human Ecology

Background:

  • Reviews 25 years of research in population physiology from the Annals.
  • Explores the historical relationship between physiological variation, adaptation, and human ecology.

Purpose of the Study:

  • To synthesize developments in population physiology.
  • To identify key themes in physiological systems variation and adaptation.

Main Methods:

  • Literature review of selected journal articles over 25 years.
  • Analysis of studies on physical fitness, work capacity, stress, and human adaptability.

Main Results:

  • Identified themes of physiological variation and adaptation.
  • Highlighted importance of childhood activity and constitutional factors on ventilatory capacity.

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  • Showcased adaptations in high-altitude, thermal tolerance, and aging populations.

    • Conclusions:

    • Physiological variation and adaptation are central to human ecology.
    • Further research needed on genotypic vs. phenotypic contributions to work capacity.
    • Aging populations may alter adaptational strategies to cope with environmental stress.