Browse 8,700 peer-reviewed studies on electromagnetic field health effects from 4 research libraries.
Showing 3,825 studies in Whole Body / General
James D. Grissett · 1975
This 1975 technical study addressed a critical problem in EMF research: when scientists try to study magnetic field effects on living systems, the equipment generates unwanted electric fields that interfere with results. Researchers developed a method using multiple capacitor banks to cancel out these electric fields, allowing cleaner separation of magnetic versus electric field effects.
O. P. Gandhi · 1975
This 1975 study by O.P. Gandhi examined how rats absorb radiofrequency radiation at different frequencies and orientations. The research found that RF absorption peaks dramatically when the animal's body length matches about one-quarter of the radiation's wavelength, creating a resonance effect that increases absorption by 2.5 to 3.5 times normal levels.
Ward WD, Gloria A · 1975
This 1975 protocol outlined a research plan to overcome major flaws in previous occupational noise exposure studies. The researchers identified three critical problems: getting accurate hearing tests without interference, finding workplaces with truly steady noise levels, and obtaining reliable exposure histories. The goal was to establish more reliable data for setting workplace noise standards.
Yu. G. Shaposhnikov, I. F. Yares'ko, Yu. V. Vernigora · 1975
Soviet researchers exposed guinea pigs to low-intensity microwaves (5 mW/cm²) and found their surgical wounds healed significantly faster with stronger scars than unexposed animals. The microwave exposure accelerated tissue regeneration, protein synthesis, and collagen formation during the healing process.
William B. Stavinoha et al. · 1975
Researchers exposed 4-day-old mice to high-frequency electromagnetic radiation and tracked their growth for up to 16 weeks. The study found no effects on growth or development in these young mice. This early research from 1975 suggests newborn mice can tolerate certain levels of RF exposure without obvious developmental impacts.
A. Shostak · 1975
This 1975 Navy technical report examined telecommunications systems used by the U.S. Navy, including very low frequency (VLF) and high frequency (HF) radio communications, with specific focus on the Sanguine submarine communication system. The study documented the evolution of Navy radio technologies and their operational characteristics. This historical analysis provides insight into early military EMF exposure scenarios involving powerful radio transmitters.
Terry O. Steiner · 1975
Researchers in 1975 developed a specialized monitoring system to test how radio frequency fields affect cardiac pacemakers. The system used fiber optic technology to isolate the pacemaker during testing while continuously monitoring its output and simulating normal heart activity. This was groundbreaking work establishing methods to evaluate pacemaker safety in electromagnetic environments.
S. J. Baum et al. · 1975
This 1975 study examined biological effects in rodents continuously exposed to pulsed electromagnetic radiation throughout their adult lives. The research represents early efforts to understand long-term EMF exposure impacts using animal models. While specific findings aren't available, this type of lifetime exposure study provides important data for understanding cumulative EMF health effects.
C. Romero-Sierra et al. · 1975
This 1975 study examined how 27 MHz electromagnetic fields affected wound healing in 240 rats and 10 dogs with surgical incisions. Researchers found that combining histamine treatment with 15-30 minute EMF exposures significantly improved healing rates, tensile strength, and reduced scar tissue formation compared to treatments without electromagnetic fields.
Lindsay, IR · 1975
This 1975 review examined microwave radiation hazards and existing safety standards, focusing on occupational hygiene concerns. The research analyzed the state of knowledge about microwave exposure risks and evaluated whether workplace protection standards were adequate. This represents early scientific recognition that microwave radiation posed potential health risks requiring formal safety protocols.
Electromagnetic Radiation Management Advisory Council · 1975
This 1975 government report examined the biological hazards of nonionizing electromagnetic radiation as part of a comprehensive environmental pollution control program. The study represented one of the earliest official assessments of EMF health effects, focusing on workplace practices and engineering controls to reduce exposure. This report helped establish the foundation for understanding electromagnetic pollution as a legitimate environmental concern requiring regulatory attention.
Lin JC, Wu CL, Lam CK · 1975
Researchers studied how electromagnetic pulses penetrate into spherical models representing human and animal heads. They found that the electromagnetic energy transmitted into the head is proportional to how rapidly the incident pulse changes over time. This early research helped establish fundamental principles for understanding how pulsed electromagnetic fields interact with biological tissues.
Unknown authors · 1975
This 1975 Microwave Journal article examined electronic warfare technologies including high-power microwave switching systems, traveling wave tubes (TWTs), and RF attenuators used in military applications. The research focused on technical aspects of microwave-based electronic countermeasures (ECM) rather than biological effects. This represents early documentation of high-power microwave systems that would later raise health concerns.
Gandhi OP · 1975
This 1975 study by Gandhi examined how the human body absorbs microwave radiation most efficiently. The research found that maximum power absorption occurs when the body's longest dimension equals about 0.4 times the wavelength of the radiation, with the neck region showing the highest absorption levels.
Chung-Kwang Chou, Arthur W. Guy · 1975
This 1975 technical report by Chou and Guy examined how electromagnetic fields affect the nervous system, focusing on isolated nerve preparations and muscle contractions in laboratory animals. The research explored direct interactions between EMF and nerve function, contributing early evidence that electromagnetic fields can produce measurable biological effects on neural tissue.
Unknown authors · 1975
This 1975 Journal of Microwave Power publication examined microwave applications across industrial, scientific, and medical sectors during the early era of widespread microwave technology adoption. The research focused on understanding microwave power systems and their various uses when health effects were just beginning to be recognized. This represents foundational work from a time when microwave safety standards were still being developed.
Wang, JCH · 1975
This 1975 study developed theoretical equations to calculate power density (radiation intensity) near small linear antennas like walkie-talkies, focusing on the near field where exposure is highest. The research compared mathematical predictions with actual measurements from walkie-talkie devices. This work provided early foundational understanding of how radiation exposure varies with distance from portable radio devices.
J. D. CLEMENT-METRAL · 1975
This 1975 research documented how plant chloroplasts (the structures that conduct photosynthesis) physically rotate when exposed to constant magnetic fields. The study observed highly organized cellular structures changing their orientation in response to magnetic field exposure, providing early evidence that biological systems can be mechanically affected by electromagnetic forces.
Kritikos JN, Schwan HP · 1975
Researchers studied how radiofrequency energy heats brain tissue by examining spheres with the same electrical properties as brain tissue across frequencies from 10 MHz to 1.2 GHz. They discovered that dangerous "hot spots" of concentrated heating occur inside brain-sized spheres, but only within a specific frequency range. The heating was never uniform, creating localized areas of intense energy absorption.
D.W. Peak, D.L. Conover, W.A. Herman, R.E. Shuping · 1975
This 1975 government study measured the power density levels emitted by marine radar systems used on ships and boats. The research provided technical data on radar exposure levels that workers and vessel occupants might encounter during normal operations. This early work helped establish baseline measurements for understanding potential EMF exposure from maritime radar equipment.
Peak DW, Conover DL, Herman WA, Shuping RE · 1975
This 1975 FDA government report measured power density levels from marine radar systems to assess occupational exposure risks for maritime workers. The study examined actual radar emissions to understand potential health impacts from prolonged exposure to these high-powered navigation systems. This research contributed to early efforts to establish safety guidelines for radar operators.
Varma MM, Traboulay EA Jr · 1975
This 1975 technical report by Varma and Traboulay examined the biological effects of non-ionizing radiation on both humans and animals. The research focused on workplace exposures and occupational health impacts, reviewing existing epidemiological evidence and recommending engineering controls for worker protection. This represents early recognition by researchers that non-ionizing radiation could pose biological risks requiring workplace safety measures.
Unknown authors · 1975
This 1975 journal focused on industrial, scientific, and medical applications of microwave power technology. The publication documented early research into how microwave radiation could be used across various sectors, establishing foundational knowledge about microwave interactions with biological systems. This represents some of the earliest organized scientific literature on microwave applications that would later inform EMF health research.
Unknown authors · 1975
This 1975 journal issue from The Journal of Microwave Power examined industrial, scientific, and medical applications of microwave technology. The publication documented the expanding use of microwave radiation across various sectors during an era when safety protocols were still being developed. This research represents early documentation of microwave technology deployment before comprehensive health studies were conducted.
D. H. Rice · 1975
This 1975 study examined how transistor circuits respond when exposed to both electromagnetic pulse (EMP) and gamma radiation simultaneously. Researchers found that EMP exposure reduced the breakdown voltage of transistors while gamma radiation altered their electrical characteristics, creating predictable changes in circuit behavior.