Browse 8,655 peer-reviewed studies on electromagnetic field health effects from 4 research libraries.
Showing 2,988 studies (Human Studies)
Ira Gore, Norman H. Isaacson · 1949
This 1949 autopsy study examined 17 patients who died from hyperpyrexia (extremely high fever) during fever therapy, a medical treatment once used for conditions like syphilis. Researchers documented the pathological changes that occurred when body temperature reached dangerous levels, providing insights into how extreme heat affects human tissues and organs.
Gore I, Isaacson NH · 1949
This 1949 autopsy study examined 17 patients who died from hyperpyrexia (extremely high fever) during fever therapy treatments. Researchers analyzed tissue damage and organ changes to understand how extreme heat affects the human body. While not directly EMF-related, this research provides important baseline data on thermal effects that helps inform modern RF exposure safety standards.
Gersten JW, Wakim KG, Herrick JF, Krusen FH · 1949
This 1949 study examined how microwave radiation affects blood circulation and tissue temperature in humans for therapeutic applications. The research was conducted during the early development of magnetron technology, which could generate high-power microwaves in the 300 to 300,000 megacycle frequency range. The study represents one of the earliest investigations into how microwave energy interacts with human tissue.
Herman J. Flax, Ruth N. Miller, Steven M. Horvath · 1949
This 1949 study examined how shortwave diathermy (a medical heating device using radio frequencies) affected blood circulation in human legs. Researchers found conflicting results - some studies showed decreased blood flow despite tissue heating of 4 degrees Celsius, while others reported 69% increases in circulation. The controversy highlighted early concerns about RF energy's unpredictable effects on blood vessels.
Gersten JW, Wakim KG, Herrick JF, Krusen FH · 1949
This 1949 study examined how microwave radiation affects blood circulation and tissue temperature in humans. The research was conducted during the early development of microwave technology, when scientists were exploring therapeutic applications using magnetron oscillators that could generate focused microwave energy.
England TS, Sharples NA · 1949
This 1949 study investigated how microwave radiation interacts with human body tissues by measuring their dielectric properties (how materials respond to electromagnetic fields). This was pioneering research that helped establish the scientific foundation for understanding how microwaves penetrate and affect biological tissues. The work provided early insights into how electromagnetic fields behave in the human body.
Gersten JW, Wakim KG, Herrick JF, Krusen FH · 1949
This 1949 study examined how microwave radiation affects blood circulation and tissue temperature in humans, marking early research into microwave therapeutic applications. The researchers explored microwaves in the 300 to 300,000 megacycle frequency range using newly developed magnetron technology originally created for military radar systems. This represents some of the first documented human exposure to controlled microwave radiation for medical purposes.
Horvath SM, Miller RN, Hutt BK · 1948
This 1948 study by Horvath examined how microwave radiation heats human tissues, investigating temperature gradients and thermal effects in the body. The research explored microwave diathermy applications and measured tissue temperature changes during exposure. This represents some of the earliest scientific investigation into how microwave energy interacts with human biology.
Charles S. Wise · 1948
This 1948 study measured blood flow changes in human forearms during radiofrequency diathermy treatment using plethysmographic recordings. The research challenged earlier findings that suggested RF heating decreased blood flow, instead confirming that tissue heating increases circulation as expected from basic physiology.
Bierman W. · 1948
This 1948 medical paper by Dr. Bierman examined the therapeutic use of artificially induced fever to treat infections like gonorrhea and syphilis, during the transition period when antibiotics like penicillin were becoming available. The research documented fever therapy methods and their effectiveness compared to emerging chemical treatments.
E. van Someren, E. C. Rollason · 1948
This 1948 study measured radiation emissions from welding arcs and found they produce the same intensity of radiation at the welder's eye as direct sunlight. Researchers used specialized equipment including vacuum thermopiles and absorption cells made from bull's eye tissue to quantify the radiation exposure. The findings highlighted a significant occupational health concern for welders who face intense electromagnetic radiation during their work.
Rajewsky, V., Schwan, H. · 1948
This 1948 research by Bajevsky measured how human blood responds to ultra-high frequency electromagnetic radiation by studying its dielectric properties and electrical conductivity. The study examined how blood tissue interacts with radiofrequency fields, providing early data on how biological materials behave when exposed to EMF. This foundational work helped establish baseline measurements for understanding how electromagnetic energy interacts with human tissue.
Steven M. Horvath, Ruth V. Miller, Bruce K. Holt · 1948
This 1948 study examined how microwave radiation at 12.3 MHz heats human tissue, using thermocouples inserted into subjects' thighs to measure temperature changes. Researchers tested different power levels (25, 50, and 80 watts) to understand how microwaves could be used for medical heating therapy. The study found that microwaves effectively heated deep tissue, providing early evidence of biological effects from electromagnetic radiation.
OSBORNE, SL, FREDERICK, MS · 1948
This 1948 study investigated how 12-centimeter wavelength microwave radiation heats human and animal tissues, likely for medical diathermy applications. The research examined tissue heating effects from high-frequency electromagnetic fields, providing early scientific documentation of how microwave energy interacts with biological tissues. This work represents foundational research into microwave heating mechanisms that would later inform both medical applications and safety standards.
Steven M. Horvath, Ruth V. Miller, Bruce K. Hutt · 1948
This 1948 study by Horvath examined how microwave radiation heats human tissue, exploring temperature gradients and thermal effects. The research investigated microwave radiation's potential for therapeutic heating applications, particularly in diathermy treatments. This represents some of the earliest scientific documentation of how microwaves interact with human tissue.
H. Schwan · 1948
This 1948 research by Schwan examined how temperature affects the dielectric properties of human blood when exposed to low-frequency electromagnetic fields. The study investigated how blood's electrical characteristics change with temperature variations, providing foundational data for understanding how EMF interacts with biological tissues. This early work helped establish the scientific basis for measuring electromagnetic effects in living systems.
William Bierman, M.D. · 1948
This 1948 medical review examined the therapeutic use of artificially induced fever (hyperthermia) to treat infections like gonorrhea and syphilis before antibiotics became widely available. The study assessed fever therapy's effectiveness compared to emerging treatments like penicillin and sulfonamides. This represents early medical research into controlled heat exposure for therapeutic purposes.
Donald L. Rose, Sedgwick Mead · 1948
This 1948 study examined how electrical currents used in medical therapy affect human sensation and pain levels. Researchers measured the tactile sensations and pain responses when electric current passed through the body, aiming to find ways to maximize therapeutic muscle contractions while minimizing patient discomfort.
Hermann Schwan · 1948
This 1948 study by Hermann Schwan examined how temperature affects blood's dielectric properties when exposed to extremely low frequency electromagnetic fields (10-1000 meter wavelengths). The research found that blood's dielectric constant remains stable across different temperatures, indicating that electromagnetic field interactions with blood depend on its cellular structure rather than thermal effects.
Ward G E · 1947
This 1947 study examined electrosurgery techniques that use high-frequency electrical currents to cut and destroy tissue during surgical procedures. The research focused on methods like electrocoagulation and electrodesiccation, which apply radiofrequency energy directly to human tissue. This represents one of the earliest documented medical applications of RF energy in direct contact with the human body.
CIGNOLINI, P · 1947
This 1947 medical research examined how to measure and calculate proper doses of shortwave radio frequency energy used in therapeutic treatments. The study focused on dosimetry methods for shortwave diathermy, a common medical practice that uses RF energy to heat deep tissues for pain relief and healing.
K. S. Lion · 1947
This article examines how the presence of metallic materials in body tissues affects the safety and efficacy of diathermy treatment using radiofrequency and short-wave energy. The research addresses thermal effects and potential complications arising from metal-tissue interactions during therapeutic diathermy applications.
URSULA M. LEDEN et al. · 1947
This 1947 study investigated how microwave radiation from radar systems affects human heating and blood circulation patterns. The research examined the biological effects of early radar technology, particularly focusing on how microwaves generate heat in human tissue and alter circulatory function. This represents some of the earliest scientific documentation of microwave biological effects in humans.
JAMES D. HARDY, HAROLD G. WOLFF, HELEN GOODELL · 1947
This 1947 research by Hardy developed methods for measuring human pain sensitivity and discrimination, establishing foundational principles for quantifying subjective pain experiences. The study focused on how people distinguish between different intensities of painful stimuli and created measurement scales for pain research. This work laid important groundwork for understanding how humans perceive and respond to potentially harmful stimuli.
F. C. HENRIQUES Jr., Ph.D. · 1947
This 1947 research by Henriques established fundamental mathematical principles for predicting how heat exposure causes permanent skin damage. The study developed rate process equations to determine when thermal injury becomes irreversible in human skin tissue. This foundational work created the scientific framework still used today to assess thermal damage from any heat source.