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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
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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.

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.