Impact of exposure to extremely low-frequency magnetic fields on blood pressure, heart rate variation and disturbance to quality of sleep on industrial workers in Korea

Authors: Amila Madhushanka Weerasinghe SDNAM, Liyanage S, Rajitha Kawshalya MAD, Hong SC

Year: 2024 Nov 23

Category: Occupational Health

Journal: Int J Occup Saf Ergon

DOI: 10.1080/10803548.2024.2413816

URL: https://www.tandfonline.com/doi/full/10.1080/10803548.2024.2413816

Abstract

Overview

This study investigates the potential health risks associated with exposure to extremely low-frequency magnetic fields (ELF-MFs), particularly their impact on sleep quality among industrial workers in Korea.

Objectives

The hypothesis of the study posits that increased ELF-MF exposure correlates with elevated blood pressure (BP), altered heart rate (HR) dynamics, and decreased sleep quality.

Methods

  • Participants: The study involved 85 participants.
  • Assessment Procedure: ELF-MF exposure assessment was carried out continuously over 24 hours in two separate groups.
  • Data Collection: Measurements of blood pressure parameters, heart rate, and sleep quality were conducted.

Findings

Significant levels of ELF-MF exposure were found during both working and sleeping hours, contributing to variations in systolic blood pressure and sleep quality. A notable difference in deep sleep was observed between the groups with high and low exposure.

Conclusion

The initial hypothesis was confirmed, highlighting the impact of ELF-MF exposure on systolic blood pressure and deep sleep durations. However, further investigation is necessary to validate these findings over a longer term and across broader demographics.

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