Browse 8,655 peer-reviewed studies on electromagnetic field health effects from 4 research libraries.
Showing 1,361 studies from Glaser RF/Microwave Archive with extracted diagrams
King, Justesen, Clarke · 1971
Researchers trained rats to detect microwave radiation using behavioral conditioning techniques. The rats could reliably sense 12.25-centimeter microwaves at power levels as low as 0.5 milliwatts per gram. This demonstrates that mammals can physically detect microwave energy at relatively low exposure levels.
Ira T. Kaplan et al. · 1971
Researchers exposed rabbits to 2.4 GHz microwave radiation at power levels similar to early wireless devices to test Soviet claims that low-level microwaves affect heart rate. They found no heart rate changes at 10 mW/cm², but did observe effects at much higher power densities (100 mW/cm²). This suggests earlier Soviet findings may have been statistical variations rather than real biological effects.
George M. Samaras, Lawrence R. Muroff, George E. Anderson · 1971
Researchers exposed rats to high-intensity microwave radiation while using liquid-nitrogen-cooled air to control temperature. They found that keeping the rats cool allowed them to survive longer during microwave exposure. This 1971 study demonstrated that thermal effects are a major factor in microwave radiation harm.
S. Baranski · 1971
Researchers exposed 200 guinea pigs and rabbits to microwave radiation at 3.5 mW/cm² for 3 hours daily over 3 months. The study found significant blood system changes including increased lymphocytes, abnormal bone marrow cells, and damaged lymph nodes and spleen tissue. The researchers concluded these effects couldn't be explained by heating alone.
Harold L. Bassett et al. · 1971
This 1971 technical paper describes three different laboratory systems for exposing biological samples to microwave radiation in controlled research settings. The study focused on engineering solutions for creating uniform microwave fields rather than testing health effects. These exposure systems became foundational tools for subsequent biological EMF research.
Alan R. Shapiro, Richard F. Lutomirski, Harold T. Yura · 1971
Researchers in 1971 developed a mathematical model to calculate how microwave radiation penetrates and heats different layers of the human head, including skull, brain tissue, and other structures. They found that simple flat-surface models drastically underestimate radiation absorption, showing the head's spherical shape concentrates microwave energy in ways that create dangerous hot spots inside the brain.
McRee D, Walsh P · 1971
Researchers in 1971 built and calibrated a specialized microwave exposure system designed to study biological effects of 2450 MHz radiation. The system could deliver precise power densities from 0.01 to 200 mW/cm² with uniform field distribution across a 15 cm diameter area. This technical achievement provided researchers with a standardized tool for conducting controlled microwave bioeffects studies.
C. K. O'BRIEN, A. W. RICHARDSON, H. M. KAPLAN · 1971
Researchers exposed rats to intense 2450 MHz microwave radiation (the same frequency used in microwave ovens) at lethal doses for 6-8 minutes. The study found significant liver damage including cell death, structural changes to cell nuclei, and loss of cellular energy stores, with cells closest to major blood vessels showing the most severe damage.
Wacker PF, Bowman RR · 1971
This 1971 research by Wacker and Bowman examined methods for measuring and quantifying dangerous levels of electromagnetic fields, particularly from microwave sources. The study focused on establishing scientific approaches for assessing EMF hazards and developing practical safety standards. This early work helped lay the foundation for modern electromagnetic field safety protocols.
Swicord ML · 1971
This 1971 government report by Swicord examined methods for measuring microwave radiation and developing new detection equipment to evaluate potential health hazards. The research focused on technical approaches for accurately assessing microwave exposure levels and improving measurement capabilities. This work contributed to early efforts to establish proper monitoring protocols for microwave radiation safety.
Jerzy Tajchert, Eustachy Chmurko · 1971
Polish researchers in 1971 investigated how microwave radiation affects the eye in animal studies. This early research examined the biological effects of microwave exposure, focusing on power density measurements and the importance of radiation modulation. The study contributed to our understanding of how electromagnetic fields in the microwave range can impact sensitive tissues like the eye.
André-Jean Berteaud et al. · 1971
This 1971 French study investigated whether pulsed and modulated UHF electromagnetic radiation could influence the development of Trypanosoma equiperdum infections in laboratory animals. The research examined the relationship between EMF exposure and parasitemia (parasite levels in blood), representing early work connecting electromagnetic fields to biological infection processes.
M. A. Henderson · 1971
This 1971 research by Henderson examined the use of controlled hyperthermia (targeted heating) as a cancer treatment method. The study focused on how precisely controlled heat application could be used therapeutically against malignant tumors. This represents early foundational work in hyperthermia cancer therapy, which later became relevant to EMF health research as electromagnetic fields are commonly used to generate therapeutic heating.
George M. Samaras, Lawrence R. Muroff, George E. Anderson · 1971
Researchers exposed rats to high-intensity microwave radiation while controlling their environment with liquid-nitrogen-cooled air. They found that keeping the rats cool during microwave exposure actually prolonged their survival compared to rats exposed without temperature control. This suggests that heat, not just the microwaves themselves, plays a critical role in microwave-related health effects.
J.A. Tanner, C. Romero-Sierra · 1971
This 1971 technical report examined non-ionizing electromagnetic radiation as a form of atmospheric pollution, studying microwave effects on birds including collision patterns, neurological changes, and egg production impacts. The research investigated how microwave radiation might affect wildlife behavior and physiology, including brain wave patterns and nerve tissue damage.
Zorach R. Glaser, Glenn M. Heimer · 1971
This 1971 Navy study examined microwave radiation hazards to personnel aboard ships from communication, radar, and navigation equipment. Researchers developed methods to predict, measure, and control potentially dangerous electromagnetic fields in the unique shipboard environment. The work established early protocols for protecting military personnel from occupational microwave exposure.
Brady, M.M. · 1971
This 1971 research examined whether microwave radiation poses health hazards to humans, representing early scientific inquiry into electromagnetic field safety concerns. The study explored radiation dosimetry methods and potential biological effects from microwave frequency exposures. This work helped establish the foundation for modern EMF health research and safety standards.
C. L. Schepens, M.D. · 1971
This 1971 study examined the evolution of retinal detachment treatments, comparing traditional methods like diathermy with newer techniques including cryotherapy, photocoagulation, and scleral buckling. The research evaluated whether advances in electrosurgical and thermal treatments represented genuine progress or created confusion in medical practice.
Konovalenko VA, Yamshanov VA · 1971
Soviet researchers studied how radio frequencies between 1-30 MHz affect the electrical properties of human blood serum. They found that salt content primarily determines how blood responds to these frequencies, while proteins play a smaller role when salt levels are reduced.
G. Bertharion, B. Servantie, R. Joly · 1971
French researchers in 1971 studied how radar radiation affects brain electrical activity in white rats using electrocorticography (brain wave monitoring). This early research examined the central nervous system's response to high-frequency electromagnetic radiation from radar systems. The study represents pioneering work in understanding how EMF exposure influences brain function.
Arthur W. Guy · 1971
This 1971 study developed a groundbreaking method using thermal imaging to measure electromagnetic fields inside biological tissues exposed to microwave sources. Researchers created tissue-equivalent phantom models and used thermographic cameras to map heating patterns, allowing them to calculate field strengths throughout the tissue. The technique proved accurate when compared to theoretical predictions and helped improve microwave medical applicators.
Michael J. Schmidt, Dennis E. Sokoloff, G. Alan Robison · 1971
This 1971 study examined how microwave radiation affects cyclic adenosine monophosphate (cAMP), a crucial brain chemical messenger, in different regions of rat brains. Researchers found that microwaves could rapidly preserve brain tissue while maintaining natural cAMP levels, revealing that this important cellular signaling molecule varies significantly across brain regions.
Miles F. Buchman · 1971
This 1971 study by Buchman examined how electromagnetic fields interact with bone tissue, focusing on the natural electrical properties that help bones heal fractures. The research explored bone's piezoelectric characteristics, which generate electrical signals when mechanically stressed, and how external electromagnetic fields might influence these natural healing processes.
Sol M. Michaelson · 1971
This 1971 comprehensive review examined biological effects of microwave radiation exposure across multiple organ systems including the eye, blood, thyroid, reproductive organs, nervous system and heart. The analysis found that organisms can experience thermal stress at specific frequencies and power densities, with effects influenced by exposure duration and environmental factors. The review concluded that the existing 10 mW/cm² safety standard was adequate based on available evidence.
Brihaye M, Oosterhuis JA · 1971
This 1971 study investigated experimental transscleral cryocoagulation of the retina in animal models. The research examined using extreme cold applied through the sclera (white part of the eye) to create controlled tissue damage in retinal tissue. This technique was being developed as a potential treatment method in ophthalmology.