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[Magnetic storms as a stress factor]

S I Rapoport1, T D Boldypakova, N K Malinovskaia

  • 1Sechenov Medical Academy, Moscow, Russia.

Biofizika
|October 23, 1998
PubMed
Summary

Geomagnetic storms disrupt human neurohumoral regulation, causing adaptive stress responses. This includes altered stress hormone levels and suppressed melatonin in both healthy individuals and cardiovascular patients.

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Area of Science:

  • Human physiology
  • Geomagnetism
  • Neuroendocrinology

Context:

  • Geomagnetic storms influence biological systems.
  • Human health can be affected by space weather.
  • Cardiovascular disease patients may exhibit altered responses.

Purpose:

  • To investigate neurohumoral regulation during geomagnetic storms.
  • To compare responses in healthy individuals and cardiovascular patients.
  • To identify specific hormonal changes associated with geomagnetic disturbances.

Summary:

  • Observed functional variations in humans (healthy, cardiovascular patients, cosmonauts) during magnetic storms.
  • Identified a non-specific adaptive stress reaction with altered stress hormone production.
  • Noted a disrupted glucocorticoid/mineralocorticoid ratio (increased cortisone) and potential sympathoadrenal activation.

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  • Found suppressed melatonin production during geomagnetic storms.

    • Impact:

    • Provides insight into human physiological adaptation to geomagnetic field disturbances.
    • Highlights potential health risks associated with space weather for vulnerable populations.
    • Contributes to understanding the neuroendocrine basis of stress responses to environmental factors.