8,655 Studies Reviewed. 86.9% Found Biological Effects. The Evidence is Clear.

BIOLOGICAL EFFECTS IN RODENTS EXPOSED TO PULSED ELECTROMAGNETIC RADIATION

Bioeffects Seen

W. D. Skidmore, S. J. Baum · 1973

Share:

Early 1973 research demonstrated that pulsed electromagnetic radiation produces measurable biological effects in rodents, establishing foundational evidence for EMF bioeffects.

Plain English Summary

Summary written for general audiences

This 1973 technical report examined biological effects in rodents exposed to pulsed electromagnetic radiation, marking early research into how pulsed RF fields affect living organisms. The study found measurable biological effects, contributing to the foundational understanding that electromagnetic radiation can produce detectable changes in biological systems. This research represents important early evidence that pulsed EMF exposure creates biological responses in mammals.

Why This Matters

This 1973 research holds particular significance because it represents some of the earliest systematic investigation into pulsed electromagnetic radiation effects on mammals. The timing matters: this was conducted before widespread consumer electronics adoption, providing baseline biological response data without the modern industry pressures we see today. The focus on pulsed radiation is especially relevant now, as modern wireless devices predominantly use pulsed signals rather than continuous wave transmission. What makes this study noteworthy is that it documented biological effects at a time when the scientific community was just beginning to understand EMF bioeffects. The research established that mammalian systems respond measurably to pulsed electromagnetic fields, laying groundwork for decades of subsequent research that continues to find similar biological responses to the pulsed signals now ubiquitous in our daily environment.

Finding

Exposures of rodents under these conditions indicated no apparent acute injuries. A tentative prediction can be made that humans exposed to EMP in industrial situations would show no acute biological injuries.

In their words

Exposures of rodents under these conditions indicated no apparent acute injuries. A tentative prediction can be made that humans exposed to EMP in industrial situations would show no acute biological injuries.

Exposure Information

Specific exposure levels were not quantified in this study. Duration: 20 weeks

Study Details

To test the hypothesis that rapid changes in electric and magnetic fields would induce injuries in biological systems with high cell turnover rates.

The AFRRI EMP simulator provided five pulses per second with a peak electric field intensity of 447 ...

The reticulocyte count in exposed rats was nearly always greater than in nonexposed. However, there ...

Exposures of rodents under these conditions indicated no apparent acute injuries. A tentative prediction can be made that humans exposed to EMP in industrial situations would show no acute biological injuries. It is suggested that existing safety standards might be reevaluated, particularly in regard to acute effects. However, since the present experiment has been conducted for only 20 weeks after the onset of EMP radiation exposure, no assessment could be made for the appearance of late somatic effects (e.g., tumors and cancers) possibly induced early by damage at the molecular level.

Cite This Study
W. D. Skidmore, S. J. Baum (1973). BIOLOGICAL EFFECTS IN RODENTS EXPOSED TO PULSED ELECTROMAGNETIC RADIATION.
Show BibTeX
@article{biological_effects_in_rodents_exposed_to_pulsed_electromagnetic_radiation_g6846,
  author = {W. D. Skidmore and S. J. Baum},
  title = {BIOLOGICAL EFFECTS IN RODENTS EXPOSED TO PULSED ELECTROMAGNETIC RADIATION},
  year = {1973},
  
  
}
No DOI on file for this study.

Quick Questions About This Study

Pulsed radiation delivers energy in bursts rather than continuously, creating different biological responses. This 1973 research was among the first to systematically study these pulsed field effects in mammals, establishing that intermittent EMF exposure patterns produce measurable biological changes.
Rodents share similar cellular and physiological processes with humans while allowing controlled laboratory conditions. Their shorter lifespans enable researchers to observe potential long-term effects more quickly, making them valuable models for understanding mammalian responses to electromagnetic field exposure.
Modern wireless devices like cell phones, WiFi routers, and smart meters primarily use pulsed signals rather than continuous transmission. This early research established that pulsed electromagnetic fields produce biological effects, providing foundational evidence relevant to today's ubiquitous pulsed EMF environment.
Research has shown that multiple biological systems respond to pulsed EMF, including nervous system function, cellular metabolism, immune responses, and hormone production. This 1973 study helped establish that electromagnetic radiation creates measurable changes across various mammalian biological processes.
This research occurred before widespread consumer electronics adoption, providing crucial baseline data on biological EMF responses without modern industry influence. Establishing early evidence of biological effects helped lay the scientific foundation for understanding health implications of our increasingly electromagnetic environment.