Browse 6,486 peer-reviewed studies on electromagnetic field health effects from 4 research libraries.
Showing 773 studies (Human Studies) from Glaser RF/Microwave Archive
L. Sinisi · 1954
This 1954 conference paper by Sinisi examined brain electrical activity (EEG) in humans after radar exposure. The research represents one of the earliest documented investigations into how microwave radiation from radar systems affects human brain function. This pioneering study laid groundwork for understanding neurological impacts of electromagnetic field exposure.
Herman P. Schwan, Edwin L. Carstensen, Kam Li · 1954
This 1954 study by H.P. Schwan compared electromagnetic diathermy (using radio frequency energy) with ultrasonic diathermy for medical heating applications. The research examined how these two different energy types penetrate and heat human tissue. This early work helped establish scientific understanding of how electromagnetic fields interact with the human body for therapeutic purposes.
Herman P. Schwan, Geo. Morris Piersol · 1954
This 1954 review by Herman Schwan examined how radiofrequency electromagnetic waves are absorbed by human body tissues, focusing on therapeutic applications and worker safety concerns. The study analyzed the physical mechanisms of EMF absorption in different tissues and evaluated both medical benefits and potential hazards. This foundational research helped establish our early understanding of how electromagnetic energy interacts with biological systems.
Sidney I. Brody · 1953
This 1953 study examined microwave radiation as an operational hazard for aircraft personnel working with radar systems. The research focused on understanding the health risks faced by aviation workers exposed to microwave emissions from radar equipment. This represents early recognition that microwave radiation posed potential occupational health concerns in the aviation industry.
F. B. Benjamin · 1953
This 1953 research by Benjamin examined the relationship between tissue injury and pain sensation in human skin, focusing on heat-induced damage and temperature thresholds. The study investigated how the human body detects and responds to thermal injury at the cellular level. This foundational work established important principles for understanding how external energy sources cause biological damage and pain responses.
James D. Hardy, Irving Jacobs, Margaret D. Meixner · 1953
This 1953 study examined the relationship between tissue damage and pain perception by analyzing when skin temperature reaches the critical threshold of 45°C (113°F) for both pain sensation and thermal damage. Researchers found that while pain and tissue damage often occur together, the relationship is complex - citing battlefield observations where only 50% of severely wounded soldiers reported pain.
Herman P. Schwan, Kam Li · 1953
This 1953 study measured the electrical properties of human body tissues at radio frequencies from 200 to 1,000 megacycles (MHz). Researchers found that different tissues conduct and store electrical energy differently based on their cellular structure, water content, and protein levels. This foundational work helped establish how electromagnetic fields interact with human biology.
Herman P. Schwan, Edwin L. Carstensen, Kam Li · 1953
This 1953 study examined how electromagnetic diathermy (medical heating) affects fat and muscle tissue layers in humans. Researchers found that electromagnetic currents selectively heat fatty tissue more than muscle, even at high frequencies, creating challenges for medical treatments trying to heat deeper muscle tissue.
EMILY E. MUELLER, ROBERT LOEFFEL, SEDGWICK MEAD · 1953
This 1953 study examined how to use electrical currents to measure pain thresholds in humans, focusing on standardizing the electrical stimulus method. Researchers investigated skin impedance (electrical resistance) as a factor in creating reliable, repeatable pain threshold measurements. The work aimed to establish valid testing protocols for studying human pain sensitivity using electrical stimulation.
Boyle AC, Cook HF, Woolf DL · 1952
This 1952 research by Boyle investigated the biological effects of microwave radiation on humans, building on earlier microwave research during an era when this technology was rapidly expanding. The study examined how microwave energy interacts with human tissue, contributing to early understanding of electromagnetic field effects on biological systems.
М. А. Качковский · 1952
This 1952 Soviet study examined how ultra-high frequency (UHF) electromagnetic fields affected human skin and blood vessel responses. The research focused on measuring changes in skin reactivity and blood vessel function when people were exposed to UHF radiation. This represents some of the earliest documented research into how radiofrequency fields interact with human circulatory and skin systems.
H. F. COOK · 1952
This 1951 research investigated the pain threshold levels for both microwave and infrared radiation exposure in human subjects, measuring skin temperature responses to determine safety limits. The study represents early scientific recognition that electromagnetic radiation could cause immediate biological effects, including pain responses. This foundational work helped establish understanding of how microwave energy interacts with human tissue at levels that cause noticeable sensations.
FREDERIC G. HIRSCH, JOHN T. PARKER · 1952
This 1953 case study documented bilateral lenticular opacities (lens clouding) in a technician who operated microwave generators. This represents one of the earliest documented cases linking occupational microwave exposure to eye damage. The research helped establish that microwave radiation could cause cataracts in humans under certain exposure conditions.
H. F. Cook · 1952
This 1952 study compared how microwave radiation (1.7-24 billion cycles per second) interacts with pure water versus human blood. Researchers found that blood's electromagnetic properties come entirely from its water content, with blood cells affecting how microwaves penetrate tissue. The work established fundamental principles for understanding how microwave radiation behaves in biological systems.
Clark WB · 1952
This 1952 clinical study examined the use of microwave diathermy (therapeutic heating) for treating eye conditions, including macular degeneration and retinal disorders. The research represents early medical applications of microwave energy in ophthalmology. This historical work provides insight into how microwaves were first used therapeutically, decades before concerns about EMF health effects emerged.
Cook HF · 1952
This 1952 study measured temperature increases in human body parts when exposed to microwave radiation at 10 and 9.4 cm wavelengths. Researchers found that microwave exposure caused measurable heating in human tissues, with blood flow affecting how quickly tissues warmed up. The study established early scientific evidence that microwave radiation produces thermal effects in the human body.
Herman P. Schwan, Edwin L. Carstensen · 1952
This 1952 research by H.P. Schwan examined how to measure electrical and acoustic properties of human tissues during diathermy (medical heating with radio frequency energy). The study developed techniques to understand how RF energy penetrates and heats biological tissues, particularly blood. This foundational work helped establish scientific methods for studying electromagnetic field interactions with the human body.
B. ALAJMO · 1951
This 1951 Italian ophthalmology study examined the effects of microwave radiation on the eyes of rabbits, using wavelengths of 3 cm and 10 cm. Published in the Italian Journal of Ophthalmology, it represents early medical research into how electromagnetic fields might affect vision and eye health. The study's timing makes it one of the earliest investigations into microwave effects on the eye.
Cook, H.F. · 1951
This 1951 study measured how human tissues interact with microwave radiation at frequencies used in early radar and communications (6-17 cm wavelengths). Researchers found that tissue electrical properties could be predicted using established physics equations when accounting for the body's natural ionic conductivity. The work provided foundational data on how microwaves penetrate and interact with human biological systems.
H. F. Cook · 1951
This 1951 study by H.F. Cook examined how different types of human tissues respond to microwave frequencies by measuring their dielectric properties. The research established fundamental data about how microwaves interact with biological tissues, laying groundwork for understanding electromagnetic field absorption in the human body.
Albert DE LOZ · 1951
This 1951 French study examined how high-frequency electromagnetic waves, including microwaves and short waves, influenced cholesterol levels in humans. The research explored potential therapeutic applications of electromagnetic fields for treating high cholesterol, representing early investigation into EMF effects on metabolic processes.
Grynbaum BB, Megibow RS, Bierman W · 1950
Researchers in 1950 used a sensitive microplethysmograph device to measure blood circulation in fingers of 10 healthy people during short wave diathermy (radiofrequency heating) treatments. This early study aimed to settle debates about whether RF heating affects blood flow in extremities. The research represents one of the first attempts to precisely measure how radiofrequency energy impacts human circulation.
David G. Cogan, M.D. · 1950
This 1950 research by Dr. Cogan examined how different types of radiant energy cause damage to human eyes. The study investigated lesions caused by ultraviolet, infrared, and visible light radiation. This early work helped establish our understanding of how electromagnetic radiation can harm eye tissue.
Boyle AC, Cook HF, Buchanan TJ · 1950
This 1950 study by A.C. Boyle represents one of the earliest scientific investigations into microwave radiation's biological effects on humans. The research examined heating effects and potential tissue damage from microwave exposure, marking a foundational moment in EMF health research. This pioneering work helped establish the scientific framework for understanding how microwave energy interacts with human biology.
Herbert F. Newman, Seymour F. Wilhelm · 1950
This 1950 research by Newman examined testicular temperature regulation in men using thermocouples to measure temperatures within the scrotal cavity. The study investigated how environmental conditions affect the natural cooling mechanisms that keep testicles at optimal temperatures for sperm production. This foundational work established baseline data for understanding male reproductive physiology.