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Psychological stress, exercise and immunity

F M Perna1, N Schneiderman, A LaPerriere

  • 1Department of Sport Behavior, School of Physical Education, West Virginia University, Morgantown, USA.

International Journal of Sports Medicine
|March 1, 1997
PubMed
Summary

Acute high-intensity exercise mirrors psychological stress responses, impacting cardiovascular, endocrine, and immune systems. Both acute and chronic stress, including intense exercise, can impair immune function, increasing vulnerability to infections.

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Area of Science:

  • Exercise physiology
  • Immunology
  • Stress response

Background:

  • Acute high-intensity aerobic exercise shares cardiovascular, endocrine, and immune responses with psychological stress.
  • Both exercise and psychological stress involve increased heart rate, cardiac output, blood pressure, and catecholamines.
  • Immune responses include changes in natural killer (NK) cells and lymphocytes, with impaired function during recovery.

Purpose of the Study:

  • To categorize acute high-intensity aerobic exercise as a form of stressful active coping.
  • To examine the cardiovascular, endocrine, and immune responses to acute exercise and psychological stress.
  • To investigate the impact of chronic stress and exercise on immune status and vulnerability to infection.

Main Methods:

  • Comparison of physiological responses between acute high-intensity aerobic exercise and acute psychological stress.

Related Experiment Videos

  • Analysis of cardiorespiratory, neurohormonal, and immune system changes.
  • Evaluation of the influence of chronic stressors on acute responses and immune status.

    • Main Results:

    • Acute exercise elicits similar cardiovascular, endocrine, and immune responses to psychological stress.
    • Both acute stressors and their recovery periods show biphasic immune changes, negatively impacting immune status.
    • Chronic stress and heavy exercise can impair immune status, potentially blunting acute immune responses.

    Conclusions:

    • Acute high-intensity exercise can be viewed as a subcategory of stressful active coping.
    • Impaired immune status due to chronic stress and exercise may prolong the window of vulnerability to infections.
    • Understanding these interactive effects is crucial for managing health in athletes and individuals under chronic stress.