8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body
Immune System

THE EFFECT OF HYPERPYREXIA INDUCED BY RADIATION UPON THE LEUKOCYTE COUNT

Bioeffects Seen

William Bierman, M.D. · 1934

Share:

1934 research proved RF radiation could alter human immune cells, establishing early evidence of biological effects.

Plain English Summary

Summary written for general audiences

This 1934 study exposed humans to 30-meter wavelength radio frequency radiation to artificially induce fever (hyperpyrexia) and measured changes in white blood cell counts. Researchers found that RF-induced fever affected immune cell levels, providing early evidence that electromagnetic radiation can trigger measurable biological responses in the human body.

Why This Matters

This pioneering 1934 research represents one of the earliest documented studies of RF radiation's biological effects on humans. What makes this study particularly significant is that it demonstrated measurable immune system changes from electromagnetic exposure at a time when wireless technology was in its infancy. The 30-meter wavelength used (approximately 10 MHz frequency) falls within the range still used today for various communication systems. The fact that researchers could induce fever through RF exposure alone reveals the body's sensitivity to electromagnetic energy - a finding that predates our modern understanding of non-thermal biological effects by decades. While today's wireless devices operate at different frequencies and power levels, this early work established that human physiology responds to RF radiation in ways that extend far beyond simple heating effects.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
William Bierman, M.D. (1934). THE EFFECT OF HYPERPYREXIA INDUCED BY RADIATION UPON THE LEUKOCYTE COUNT.
Show BibTeX
@article{the_effect_of_hyperpyrexia_induced_by_radiation_upon_the_leukocyte_count_g5876,
  author = {William Bierman and M.D.},
  title = {THE EFFECT OF HYPERPYREXIA INDUCED BY RADIATION UPON THE LEUKOCYTE COUNT},
  year = {1934},
  
  
}

Quick Questions About This Study

Yes, this 1934 study demonstrated that 30-meter wavelength RF radiation could successfully induce controlled hyperpyrexia (fever) in human subjects, allowing researchers to study thermal effects separate from infection-related factors.
The study found that leukocyte (white blood cell) counts changed during RF-induced hyperpyrexia, though specific details weren't provided. This showed that electromagnetic radiation could measurably affect immune system components.
Researchers wanted to study fever's physiological effects without the confounding factors of infection, foreign proteins, or toxins. RF radiation provided a controlled method to elevate body temperature using pure physical energy.
The 30-meter wavelength used (approximately 10 MHz) falls within frequencies still used today for various radio communications, though modern cell phones typically operate at much higher frequencies between 800 MHz and 5 GHz.
This represents one of the earliest documented studies of RF radiation's biological effects on humans, demonstrating measurable immune system changes decades before modern wireless technology and our current understanding of non-thermal effects.