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THE INFLUENCE OF ULTRASHORT WAVES ON THE HEAT REGULATION OF RABBITS

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Alfred Strassburger, Erwin Schliephake · 1934

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1934 research investigated whether radio waves could disrupt rabbits' natural temperature control through nervous system interference.

Plain English Summary

Summary written for general audiences

This 1934 German study examined how ultrashort radio waves affected heat regulation and body temperature control in rabbits. The research explored whether RF radiation could disrupt the central nervous system's ability to maintain normal body temperature, potentially causing fever-like responses. This represents some of the earliest scientific investigation into how electromagnetic fields might interfere with basic biological processes.

Why This Matters

This research from 1934 represents pioneering work in understanding how radio frequency radiation affects fundamental biological processes like temperature regulation. What makes this study particularly significant is that it was conducted when radio technology was still relatively new, yet researchers were already investigating potential health impacts on the nervous system. The focus on thermoregulation is crucial because body temperature control involves complex interactions between the nervous system and cellular processes - the same systems that modern research suggests may be vulnerable to EMF exposure. While we can't know the specific findings without the full study, the very fact that scientists nearly a century ago were examining RF effects on core biological functions demonstrates the long-standing scientific concern about electromagnetic field impacts on living systems. Today's ubiquitous wireless devices operate at similar or higher frequencies, making this early research remarkably prescient.

Finding

With the effect of a band-formed ultra shortwave field on the brain and medulla oblongata of rabbits we were able to produce disturbances, in heat regulation from the outside without causing injury.

In their words

“With the effect of a band-formed ultra shortwave field on the brain and medulla oblongata of rabbits we were able to produce disturbances, in heat regulation from the outside without causing injury.”

Figures from the Original Paper

Diagrams extracted from the original research document.

chartPage 6 - AI-described figure: Temperature changes over time for different experimental conditions (Figure numbers: Abb. 1, Abb. 2, Abb. 3)
p. 6 of the original PDF
chartPage 7 - AI-described figure: Temperature changes over time in response to various treatments (Figure 4 and Figure 5)
p. 7 of the original PDF
graphPage 8 - AI-described figure: A graph showing temperature changes over time in a rabbit experiment (Figure 6)
p. 8 of the original PDF
graphPage 9 - AI-described figure: The graph in Figure 7 illustrates temperature changes over time during a heating experiment with rabbits.
p. 9 of the original PDF
graphPage 10 - AI-described figure: Graph showing temperature changes over time in a rabbit experiment after various treatments.
p. 10 of the original PDF

Exposure Information

Specific exposure levels were not quantified in this study.

Study Details

To investigate the influence of ultrashort waves on heat regulation in rabbits

Exposure of rabbits to band-formed ultra-short wave fields on brain and medulla oblongata without me...

Disturbances in heat regulation were produced without injury. With wave lengths from 4-6m, temperatu...

In our tests it was possible for the first time, to produce in a certain way, disturbances in the central nervous system without mechanical intervention; and with causing no injuries. In agreement with older authors it showed, that fever can be produced by central effect. In addition, with different dosage of effect. certain partial functions of heat regulation could be disturbed. The development of fever in our studies cannot be explained, as mentioned above, by heat convection in the condenser field with the following heat distribution in the body. The amounts of energy for this are too small. Since they are concentrated on a very narrow circumscibed area, the changes in body temperature during flowthrough are too small, and stronger changes usually occur after some hours. On the other hand, in such tests, where during flowthrough a rise in temperature is present, only small result symptoms occur. Heat convection in the test and biological affect do not make a parallel. For this interpretation speaks, also the dependency of wavelength. With wave lengths above 6 m, we were never able to produce differential disturbances, even with such field strengths which resulted in injury to the skin and the spinal bones. Our results have an analogy in the results of Schliephake and Weissenderg, who following a brain flowthrough found a rise in blood sugar and in the findings of Hott and Weissenberg; who after a flowthrough in the small brain of man, according to location, found diving and rising reactions. Our results could be reproduced in numerous test series; however, a few tests were negative. There is therefore, an individual sensitivity toward short wave effect.

Cite This Study
Alfred Strassburger, Erwin Schliephake (1934). THE INFLUENCE OF ULTRASHORT WAVES ON THE HEAT REGULATION OF RABBITS.
Show BibTeX
@article{the_influence_of_ultrashort_waves_on_the_heat_regulation_of_rabbits_g6812,
  author = {Alfred Strassburger and Erwin Schliephake},
  title = {THE INFLUENCE OF ULTRASHORT WAVES ON THE HEAT REGULATION OF RABBITS},
  year = {1934},
  
  
}
No DOI on file for this study.

Quick Questions About This Study

Ultrashort waves referred to radio frequencies typically above 30 MHz in the 1930s, similar to modern FM radio and early television broadcasts. These frequencies were considered 'ultrashort' compared to the longer wavelengths used for AM radio at the time.
Researchers chose temperature regulation because it's controlled by the central nervous system and easily measurable. Any disruption would indicate that radio waves could interfere with fundamental biological processes controlled by the brain and nervous system.
Temperature regulation involves the same nervous system pathways and cellular processes that current research suggests may be affected by EMF exposure. Disrupted thermoregulation could indicate broader impacts on neurological and metabolic functions.
This represents some of the earliest scientific investigation into RF biological effects, conducted when radio technology was new. It shows that scientists recognized potential health concerns almost from the beginning of widespread radio use.
The study examined whether RF radiation could trigger fever-like responses by disrupting the central nervous system's temperature control mechanisms. Fever involves the same thermoregulatory pathways that might be vulnerable to electromagnetic interference.