Effects of 700 and 3500 MHz 5G radiofrequency exposure on developing zebrafish embryos

Authors: Torres-Ruiz M, Suárez OJ, López V, Marina P, Sanchis A, Liste I, de Alba M, Ramos V

Year: 2024 Jan 8

Category: Environmental Sciences

Journal: Sci Total Environ

DOI: 10.1016/j.scitotenv.2023.169475

URL: https://pubmed.ncbi.nlm.nih.gov/38199355/

Abstract

Overview

As 5G technologies are being implemented by telecommunications industries, public concerns about the health impacts of Radio Frequency Radiation (RFR) persist due to limited scientific research. This study utilizes a commercially available uniform field environment to explore the impact of 700 and 3500 MHz frequencies on zebrafish embryos.

Methodology

Experiments included a variety of toxicity, developmental, and behavioral assays to examine the effects of unmodulated 5G frequencies on zebrafish embryos during critical development stages.

Findings

  • The study demonstrated no significant effects on mortality, hatching success, or body length.
  • Notable findings were observed in organ morphology and certain behaviors such as activity levels, anxiety-like behavior, and habituation, particularly in embryos exposed to 700 MHz for 4 hours.
  • A decreased activity in acetylcholinesterase was noted, potentially explaining the behavioral alterations.

Conclusion

This study confirms that the experimental setup used is robust and versatile, capable of consistent frequency and power adjustments. Future studies aim to assess impacts using modulated 5G signals to provide a broader understanding of potential health risks associated wih 5G technology.

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