Browse 8,655 peer-reviewed studies on electromagnetic field health effects from 4 research libraries.
Showing 2,988 studies (Human Studies)
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 human eyes. 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 human biology.
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
In 1951, researchers exposed human subjects to microwave radiation at 10 and 9.4 cm wavelengths and measured the temperature increases in skin and deeper tissues. The study found that microwave exposure caused measurable heating in human tissues, with blood flow changes affecting how heat spread through the body. This groundbreaking research established early evidence that microwave radiation produces biological effects in humans through tissue heating.
H. F. Cook · 1951
In 1951, researcher H.F. Cook measured how four types of human tissues respond to microwave radiation at frequencies corresponding to wavelengths of 6-17 centimeters. The study found that human tissues have specific electrical properties when exposed to microwaves, with behavior influenced by water content and salt concentrations in cells. This was groundbreaking early research establishing how electromagnetic fields interact with living human tissue.
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.
George Smith · 1950
This 1950 study by George Smith examined how diathermy currents (radiofrequency energy used for medical heating) interact with metal implants placed in the body wall. The research focused on understanding potential heating effects and safety concerns when RF energy encounters metallic medical devices. This represents early recognition that electromagnetic fields can create unique risks for people with implanted metals.
Bruce B. Grynbaum, Raymond S. Megibow, William Bierman · 1950
Researchers in 1950 used a specialized blood flow measuring device to study how short wave diathermy (a form of radiofrequency heating used in physical therapy) affects circulation in human fingers. They tested 10 healthy people to settle debates about whether this RF heating treatment actually improves blood flow in extremities.
A. C. BOYLE, H. R. COOK, T. J. BUCHANAN · 1950
This 1950 British investigation by A.C. Boyle represents one of the earliest scientific examinations of microwave radiation's biological effects on humans. Published just five years after World War II, when radar technology introduced widespread microwave exposure, this preliminary research helped establish the foundation for understanding how these electromagnetic fields interact with human biology.
England TS · 1950
This 1950 study by England examined how the human body interacts with microwave radiation in the 1-10 centimeter wavelength range, measuring the body's dielectric properties. The research established foundational data on how electromagnetic fields at these frequencies behave when they encounter human tissue. This work provided early scientific understanding of microwave absorption and penetration in biological systems.
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.
Gersten JW, Wakim KG, Krusen FH · 1950
This 1950 study examined how to make microwave heating of human tissue more efficient by reducing the high reflection that occurs at skin surfaces. Researchers tested a dielectric material called mycalex as an impedance matching device to improve energy transfer from air to tissue. The work aimed to enable more targeted heating of specific tissue areas for medical applications.
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.
England TS · 1950
This 1950 research by England examined how microwave radiation interacts with human body tissues by measuring dielectric properties. The study investigated how the human body absorbs and conducts electromagnetic energy in the microwave frequency range. This foundational work helped establish early understanding of how microwave radiation penetrates and affects human tissue.
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.
Hubner · 1950
This 1950 study examined bedside ultrashort wave diathermy treatment, which used radiofrequency electromagnetic fields for therapeutic heating of body tissues. The research investigated medical applications of RF energy that operated at frequencies similar to those used in modern wireless devices. This represents early documentation of intentional human exposure to RF electromagnetic fields for therapeutic purposes.
T. S. England · 1950
This 1950 study measured how microwave radiation at three different wavelengths (1.27 cm, 3.18 cm, and 10 cm) interacts with human body tissues taken from surgical operations. Researchers analyzed the dielectric properties of various tissues to understand how microwaves penetrate and affect different parts of the human body. This foundational research helped establish how electromagnetic fields interact with biological tissues.
J. F. HERRICK, D. G. JELATIS · 1950
This 1950 study examined how microwave energy penetrates and heats different human tissues for medical diathermy treatments. Researchers measured the dielectric properties of various tissues to understand how they absorb microwave radiation. The findings helped establish early safety parameters for therapeutic microwave heating in medical settings.
Jerome W. Gersten, Khalil G. Wakim, Frank H. Krusen · 1950
This 1950 study examined how microwaves heat human tissue and found that skin reflects most of the energy, making heating inefficient. Researchers proposed using impedance matching devices on the skin to improve energy transfer and enable targeted heating of specific tissue areas.