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ABSTRACTS OF COMMUNICATIONS TO THE XIIIth INTERNATIONAL PHYSIOLOGICAL CONGRESS

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KNUDSON, ARTHUR and PHILIP J. SCHAIBLE · 1929

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1929 research showed short-wave radio caused dangerous fever and blood chemistry disruption in dogs.

Plain English Summary

Summary written for general audiences

This 1929 study exposed dogs to short-wave radio transmissions (25,000-10,000 kilocycles) and found severe physiological effects including dangerous fever temperatures and significant blood chemistry changes. The dogs experienced marked dehydration, increased toxic waste products, and dangerous shifts toward acidosis when body temperatures reached 108-110°F for 30-60 minutes.

Why This Matters

What makes this nearly century-old research remarkable is how it documented severe biological effects from RF radiation decades before wireless technology became ubiquitous. The researchers observed that short-wave radio transmitters created such intense heating that dogs' body temperatures spiked to dangerous fever levels, triggering cascading physiological breakdown including dehydration, cellular damage, and blood chemistry disruption. While modern devices operate at much lower power levels, this early work demonstrates that RF radiation can produce profound biological effects when exposure is sufficient. The study's focus on blood chemistry changes and acid-base balance disruption reveals how RF heating affects fundamental cellular processes. These findings remind us that the heating effects of RF radiation were well-documented long before the wireless industry assured us that thermal effects were the only biological concern worth considering.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
KNUDSON, ARTHUR and PHILIP J. SCHAIBLE (1929). ABSTRACTS OF COMMUNICATIONS TO THE XIIIth INTERNATIONAL PHYSIOLOGICAL CONGRESS.
Show BibTeX
@article{abstracts_of_communications_to_the_xiiith_international_physiological_congress_g6248,
  author = {KNUDSON and ARTHUR and PHILIP J. SCHAIBLE},
  title = {ABSTRACTS OF COMMUNICATIONS TO THE XIIIth INTERNATIONAL PHYSIOLOGICAL CONGRESS},
  year = {1929},
  
  
}

Quick Questions About This Study

The study used short-wave radio frequencies from 25,000 to 10,000 kilocycles (12-30 meters wavelength). These frequencies produced such intense heating that dogs' body temperatures rose to dangerous fever levels of 108-110°F within short exposure periods.
Dogs' rectal temperatures reached 105-110°F (40-41°C) and were maintained at these fever levels for varying periods. The most extreme temperatures of 108-110°F caused severe blood chemistry changes when sustained for 30-60 minutes.
Dogs experienced marked blood volume decrease with increased cell concentration, elevated toxic waste products (non-protein nitrogen), higher calcium and protein levels, increased lactic acid and chlorides, plus dangerous shifts toward acidosis with reduced pH.
Very marked blood changes occurred when extreme body temperatures of 108-110°F were maintained for 30 to 60 minutes. The heating effects from the radio transmitter antenna field raised temperatures considerably in short periods.
Yes, the study found that alkali reserve and pH were greatly reduced in dogs exposed to short-wave radio fields, indicating a dangerous condition toward acidosis along with other severe blood chemistry disruptions.