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Overtraining increases the susceptibility to infection.

L Fitzgerald1

  • 1Department of Medicine, St. George's Hospital Medical School, London, UK.

International Journal of Sports Medicine
|June 1, 1991
PubMed
Summary

Intense athletic training can suppress the immune system, increasing infection risk in athletes. Even a single exhausting exercise session temporarily depresses immune function, affecting lymphocytes.

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Area of Science:

  • Exercise Immunology
  • Sports Medicine
  • Infectious Disease

Background:

  • Moderate exercise benefits immune function.
  • High-intensity training in athletes may compromise immunity.
  • Observed increased susceptibility to infections in elite athletes.

Purpose of the Study:

  • To examine evidence linking intense exercise to immune suppression.
  • To discuss potential mechanisms behind exercise-induced immune changes.
  • To consider the implications for athlete health and performance.

Main Methods:

  • Review of recent research studies and evidence.
  • Analysis of immune abnormalities in top athletes.
  • Examination of immune responses following exhausting exercise sessions.

Main Results:

  • Demanding training programs may suppress athlete immune systems.
  • Temporary immune depression observed after exhaustive exercise.
  • Athletes show increased susceptibility to infections.

Conclusions:

  • Intense training can impair immune function in athletes.
  • Further research is needed to understand mechanisms and implications.
  • Strategies to mitigate exercise-induced immune suppression may be beneficial.

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