Browse 8,700 peer-reviewed studies on electromagnetic field health effects from 4 research libraries.
Showing all 8,700 studies
Charles Susskind · 1973
This 1973 research proposal suggested using microwave radiation to detect and map lung diseases that involve excess water buildup. The study explored whether microwave technology could be adapted for clinical diagnosis of certain respiratory conditions. This represents early exploration of medical microwave applications rather than health effects research.
M. L. Singewald et al. · 1973
Johns Hopkins researchers followed 11 high-voltage electrical linemen for nine years, conducting regular physical and psychological exams to assess health effects from working in 60 Hz electric fields. The study found no adverse health effects from occupational exposure to power line frequencies, confirming their earlier 1966 findings.
Stephen W. Smith, David G. Brown · 1973
Researchers measured radio frequency and microwave radiation levels across 10 locations in the Washington D.C. area in 1969, covering frequencies from 20 Hz to 10 GHz. The highest levels found were approximately 10⁻² μW/cm², primarily from commercial sources, which were 30 decibels below U.S. occupational exposure recommendations at the time.
W. B. STAVINOHA, S. T. WEINTRAUB, A. T. MODAK · 1973
Researchers used 2450 MHz microwave radiation to instantly kill laboratory rats and mice while preserving brain chemistry for analysis. The microwave method preserved nearly twice as much acetylcholine (a critical brain chemical) compared to standard killing methods. This 1973 study demonstrates that microwave radiation can rapidly penetrate the entire brain and alter biological processes within seconds.
Otto H. Schmitt, Robert D. Tucker · 1973
Researchers tested whether 50 people could consciously or subconsciously detect 60 Hz magnetic fields at household appliance strength (few gauss). Initially some subjects showed remarkable detection abilities, but when acoustic noise and other environmental cues were eliminated, virtually no one could reliably sense the magnetic fields.
Ronald J. Spiegel, William T. Jones · 1973
This 1973 theoretical study explored how microwave radiation might affect nerve cells even when the energy levels are too low to cause heating. Using quantum mechanical modeling, researchers identified a potential mechanism where electromagnetic fields could interact with nerve cell membranes through molecular processes, not just thermal effects.
Gerald Silverberg · 1973
This 1973 research by Silverberg examined whether microwave radiation poses health risks to both mental and physical well-being. The study explored biological effects of electromagnetic radiation, drawing on Soviet research that had identified potential hazards beyond simple heating effects. This work contributed to early understanding of non-thermal microwave impacts on human health.
J. C. Schwarzacher, L. J. Audus · 1973
Scientists exposed plant roots and stems to intense magnetic field gradients while slowly rotating them to eliminate gravity effects. The plants showed measurable growth responses that curved toward the magnetic field, with different plant species responding to different magnetic field parameters. This demonstrates that living organisms can detect and respond to magnetic fields in ways that could inform our understanding of biological EMF sensitivity.
Bernard SERVANTIE et al. · 1973
French researchers in 1973 studied how prolonged microwave exposure affects laboratory animals, specifically looking for biological effects that weren't caused by heating. They intentionally used weak power levels to identify non-thermal effects and discovered pharmacological changes in the exposed animals.
Clair M. Becker, Inder V. Malhotra, John Hedley-Whyte · 1973
This 1973 study documented nine patients who suffered burns at electrocardiogram electrode sites during electrosurgery procedures. Researchers found that radiofrequency current from surgical equipment was flowing through ECG monitoring cables, with currents reaching up to 290 milliamperes - enough to cause skin damage at approximately 100 milliamperes per square centimeter.
Kovach R.I. · 1973
This 1973 engineering study examined how microwaves at 460 MHz penetrate and heat different body tissues, specifically comparing fat and muscle layers. The research found that 460 MHz provides better deep tissue heating with more even temperature distribution compared to the higher 2375 MHz frequency commonly used in medical diathermy equipment.
Milton M. Zaret · 1973
Dr. Milton Zaret's 1973 research examined microwave radiation's ability to cause cataracts in humans, focusing on thermal injury to the eye's lens from electromagnetic radiation exposure. This study contributed to understanding microwave radiation as an occupational health hazard, particularly for workers in radar and microwave communication industries.
Frey AH, Messenger R · 1973
This 1973 study found that humans can perceive "sounds" like buzzes and hisses when exposed to pulsed microwave radiation, even though no actual sound waves are present. The perception depended on peak power rather than average power, and both humans and cats experienced this phenomenon during radar field tests.
Jose Daels, MD · 1973
This 1973 study investigated using microwave energy to heat the uterine wall during childbirth, examining its potential as pain relief during labor. The research explored whether controlled microwave heating could provide analgesic effects for women in parturition. This represents early medical application research of microwave technology in obstetric care.
Kolta P. · 1973
This 1973 study discovered that frog nerve tissue shows unexpectedly strong magnetic properties when exposed to constant inhomogeneous magnetic fields, unlike other body tissues. The researcher found that nerve structures have unique magnetic characteristics that may play a role in how nerve impulses are generated and conducted.
Fischer G. · 1973
This 1973 study examined how constant electrostatic fields affect biological processes in both animals and humans. Researchers found that artificially created positive electrostatic fields increased metabolism, enhanced immune system responses, and improved overall health markers. The findings suggest that natural atmospheric electrical conditions may play an important role in human health.
E. Aurell, B. Tengroth · 1973
Researchers studied workers at a factory testing radar and microwave equipment, finding an unusually high rate of eye lens opacities (early cataracts) in younger employees. They also discovered retinal changes resembling scars in many workers exposed to microwave radiation.
Block JB, Zubrod CG · 1973
This 1973 commentary by Block examined how temperature changes could enhance cancer treatments, particularly exploring hyperthermia (controlled heating) as an adjuvant therapy. The research focused on how elevated temperatures might improve tumor regression and modulate cell division cycles to make cancer treatments more effective.
Davis JA · 1973
This 1973 technical paper examined microwave oven radiation concerns in aircraft, particularly for passengers with pacemakers. The study found that while some publications warned of health hazards, technical experts generally considered the risks minimal. The paper provided engineering guidelines for evaluating microwave oven installations on aircraft.
Appleton, B. · 1973
This 1973 government report documented clinical surveys examining eye effects from microwave exposure in workers and other exposed populations. The research represents early systematic efforts to identify ocular health impacts from occupational microwave radiation exposure. This work helped establish the foundation for understanding how microwave frequencies can affect vision and eye health.
Becker CM, Malhotra IV, Hedley-Whyte J · 1973
This 1973 medical study examined nine patients who suffered burns during electrosurgery procedures due to radiofrequency current flowing through electrocardiogram (ECG) monitoring electrodes. Researchers found that RF currents averaging 175 milliamperes could cause skin damage, with burns occurring from equipment malfunctions, improper electrode placement, and current leakage through monitoring cables.
Kholodov YA · 1973
This 1973 review by Kholodov examined the emerging field of magnetobiology, tracing the history of magnetic field research and discussing how magnetic fields affect living organisms. The report provided an overview of early discoveries about biological responses to magnetism and outlined prospects for future research in this scientific area.
G. A. Stasiuk · 1973
Soviet researchers exposed 60 healthy people to a single, brief session of constant magnetic field exposure at 1650 oersted intensity. They found significant blood changes including increased red blood cell count, hemoglobin levels, and clotting factors, plus reduced white blood cells. These effects persisted for a full month after just one exposure.
Smith SW, Brown DG · 1973
Researchers measured radio frequency and microwave radiation levels across Washington D.C. in 1969, testing frequencies from 20 Hz to 10 GHz at ten urban locations. The highest radiation levels came from AM radio towers and airport radar, reaching about 0.01 milliwatts per square centimeter. These peak measurements were still 1,000 times lower than occupational safety standards of that era.
Harte C · 1973
Researchers exposed evening primrose plants to radio waves from a radio station for one growing season, then tracked genetic changes in their offspring. The exposed plants produced significantly more lethal embryos, weakened plants, and genetic mutations in the second and third generations. Six out of 23 plant families developed single-gene mutations, proving radio waves can cause heritable genetic damage.