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Related Experiment Video

Updated: Jul 11, 2026

Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans
07:26

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Published on: October 17, 2018

Exercise and the immune system.

P Gunnar Brolinson1, Dan Elliott

  • 1Virginia College of Osteopathic Medicine, Virginia Tech Sports Medicine, Blacksburg, VA 24061, USA. techdo@vt.edu <techdo@vt.edu>

Clinics in Sports Medicine
|September 11, 2007
PubMed
Summary
This summary is machine-generated.

Exercise impacts the immune system differently. Moderate activity offers protection, but intense, repeated exercise can impair immune function, increasing infection risk in athletes.

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Area of Science:

  • Exercise immunology
  • Sports medicine
  • Infectious disease risk

Background:

  • Exercise exerts variable effects on the immune system.
  • Factors influencing immune response include neuroendocrine, metabolic, and nutritional status.
  • Training load, environmental conditions, and sport type affect infectious risk.

Purpose of the Study:

  • To explore the complex relationship between exercise and immune function.
  • To identify factors contributing to variability in exercise-induced immune responses.
  • To understand the implications for athlete health and infectious disease prevention.

Main Methods:

  • Review of multifactorial influences on immune system variability during exercise.
  • Analysis of direct effects of exercise intensity and duration on immune function.
  • Examination of environmental and sport-specific factors impacting infectious risk.

Main Results:

  • Moderate exercise demonstrates a protective effect on the immune system.
  • Strenuous and repeated exercise bouts can lead to immune dysfunction.
  • Nutritional status, training load, and environmental factors modulate immune response.

Conclusions:

  • The impact of exercise on immunity is complex and context-dependent.
  • Understanding these interactions is crucial for managing athlete health.
  • Implications for public health strategies and clinical practice in sports are significant.