Browse 8,700 peer-reviewed studies on electromagnetic field health effects from 4 research libraries.
Showing 2,998 studies (Human Studies)
William E. Cory, Carl L. Frederick · 1974
This 1974 report examined both beneficial and potentially hazardous effects of electromagnetic energy on humans and the environment. The study discussed natural and man-made electromagnetic sources, how electrical fields interact with the human body, and the need for regulatory oversight of electromagnetic technology.
P. Czerski, M. Siekierzynski · 1974
Polish researchers analyzed health conditions among microwave workers over a decade, comparing different worker groups and examining the effectiveness of safety rules. The study found that enforcing workplace safety standards led to measurable improvements in worker health outcomes when comparing results from the 1960s to 1974.
Przemyslaw Czerski et al. · 1974
Polish researchers studied 841 male microwave workers aged 20-45, comparing health effects between low exposure (below 0.2 mW/cm²) and high exposure (0.2-60+ mW/cm²) groups. They found no relationship between microwave exposure levels or duration and health disorders that would disqualify workers from microwave jobs. The study called for similar research at other power levels.
Przemyslaw Czerski et al. · 1974
Polish researchers studied 841 male workers exposed to microwave radiation in occupational settings, comparing those with low exposure (below 0.2 mW/cm²) to high exposure (0.2-60 mW/cm²) groups. They found no relationship between microwave exposure levels or duration and health disorders that would disqualify workers from microwave exposure. This 1974 study represents early occupational health surveillance of microwave workers.
Przemyslaw Czerski et al. · 1974
This 1974 research by Czerski examined the theoretical framework and practical methods for monitoring the health of workers exposed to microwave radiation in occupational settings. The study focused on developing surveillance protocols to track potential health effects in personnel regularly exposed to microwaves. This early work helped establish foundations for workplace safety standards regarding microwave exposure.
William T. Joines, Ronald J. Spiegel · 1974
Researchers used computer models to calculate how microwaves are absorbed by the human skull, comparing simple versus realistic multilayered skull models. The realistic model showed a pronounced absorption peak at 2.1 GHz that didn't appear in simpler models. This suggests microwave oven leakage at 2.45 GHz may pose greater health risks than previously recognized.
Richard A. Tell, John C. Nelson · 1974
This 1974 study measured radar radiation exposure levels around commercial aircraft when on the ground. Researchers found that people standing 3 to 18 feet from aircraft radar antennas could be exposed to power densities of 10 mW/cm², while cockpit exposure remained below 0.2 mW/cm². The study identified potential radiation hazards for ground crew and passengers during aircraft operations.
Budd Appleton · 1974
This 1974 JAMA study by Budd Appleton examined the relationship between microwave radiation exposure and cataract formation in the eyes. The research investigated occupational exposure to microwaves and its potential to cause eye damage, specifically focusing on cataract development. This work contributed to early understanding of how electromagnetic radiation can affect sensitive eye tissues.
H. H. Seliger, W. M. Bigelow, J. P. Hamman · 1974
Scientists demonstrated that pulsed microwave energy can create acoustic clicks in water through rapid heating, explaining why people hear clicking sounds when exposed to microwave radiation. The effect requires moderately intense pulses (0.5-5 watts per square centimeter) but occurs without measurable tissue heating, making it the only confirmed biological effect of microwaves that doesn't involve thermal damage.
E. Stanton Maxey, M.D. · 1974
This 1974 research examined 'bioentrainment,' a phenomenon where electromagnetic fields from sources like aircraft and weather systems potentially synchronize with biological processes in humans. The study investigated how magnetic and electrostatic fields might influence human physiology through entrainment mechanisms. The provocative title suggests researchers were exploring whether electromagnetic entrainment could pose serious health risks.
Richard J. Vetter, Paul L. Ziemer, Dee Puntenney · 1974
This 1974 research by R.J. Vetter focused on microwave dosimetry - the science of measuring and calculating microwave radiation exposure levels in biological systems. The study addressed fundamental questions about how to accurately assess microwave exposure for occupational safety purposes. This early work helped establish the scientific foundation for understanding microwave radiation doses that workers and the general public might encounter.
Tell R A, Nelson J C · 1974
Researchers measured microwave radiation levels around four commercial aircraft radar systems to assess exposure risks for ground personnel. They found power densities of 10 mW/cm² at distances of 8-18 feet from aircraft radar antennas, while cockpit levels stayed below 0.2 mW/cm². The radar beams rotated at 16 revolutions per minute and operated above 6 feet from ground level.
Arthur W. Guy, Justus F. Lehmann, Jerry B. Stonebridge · 1974
This 1974 research examined how electromagnetic power at specific frequencies (27.12 MHz shortwave and 2450 MHz microwave) can be used therapeutically to heat deep tissues for medical treatment. The study found that tissue temperatures of 41-45°C, requiring 50-170 W/kg power absorption, produced beneficial physiological responses for treating certain conditions.
G. MOLTENI · 1974
This 1974 Italian study examined electromagnetic field exposure in workplace settings, focusing on occupational health risks and safety standards. The research addressed biological effects of EMF exposure on workers, contributing to early understanding of professional EMF hazards. This work represents foundational research into workplace electromagnetic safety protocols.
S. K. Ghosh, A. M. Muc, D. H. Jagdyer, M. P. Diotte · 1974
This 1973 paper proposed creating standardized warning signs for microwave radiation exposure, similar to those used for ionizing radiation. The author recognized that microwave devices were rapidly increasing and exposing workers, the general public, and vulnerable groups like pacemaker wearers to potential health risks. The proposal aimed to reduce exposure through clear visual warnings that would communicate both the type and level of radiation present.
Michael E. Stamm et al. · 1974
Researchers exposed human cancer cells and normal cells to microwave radiation between 76-86 GHz and found that cancer cells transmitted the microwaves differently than healthy cells. This 1974 study demonstrated that extremely high-frequency microwaves could distinguish between malignant and normal human tissue in laboratory cultures. The findings suggest cancer cells have unique electromagnetic properties that make them respond differently to microwave energy.
M. Siekierzynski et al. · 1974
This 1974 study examined lens translucency changes in workers occupationally exposed to microwave radiation, investigating whether microwave exposure could cause cataracts or other eye damage. The research was part of a larger health surveillance program monitoring workers in industries using microwave technology.
Hindin HJ, Frey AH · 1974
This 1974 study by Hindin investigated microwave-induced auditory perception in humans, exploring how electromagnetic radiation can create sound sensations directly in the brain. The research examined this phenomenon using controlled RF chamber exposures, contributing to early understanding of how microwaves can bypass normal hearing mechanisms. This work helped establish that electromagnetic fields can directly stimulate auditory pathways without sound waves.
Mitchell JC, Hurt WD, Walters WH · 1974
This 1974 research examined how radiofrequency electromagnetic fields interfere with cardiac pacemakers, documenting real-world interference patterns that could disrupt these life-saving devices. The study provided early empirical evidence of EMF interference with medical implants, establishing the foundation for modern pacemaker safety protocols and EMF exposure guidelines.
G. MOLTENI · 1974
This 1974 Italian research examined electromagnetic field exposure risks in occupational settings, focusing on biological effects and safety standards for workers. The study addressed professional risks from EMF exposure during an era when workplace safety regulations were still developing. This represents early recognition that electromagnetic fields posed potential health concerns requiring protective measures.
B. Appleton · 1974
This 1974 research by B. Appleton examined the connection between microwave radiation exposure and cataract formation in the human eye. The study investigated how electromagnetic radiation from microwave sources could potentially damage the lens of the eye, leading to clouding and vision impairment. This work contributed to early understanding of microwave radiation's effects on ocular health, particularly relevant for occupational safety standards.
William A. Tiller · 1974
This 1974 research by Dr. William Tiller examined whether Kirlian photography could capture psychoenergetic phenomena around human subjects using high-voltage electrical fields. The study investigated the scientific validity of this controversial photographic technique that claims to reveal energy fields or 'auras' around living organisms.
Donald R. Koerner, M.D. · 1974
This 1974 medical study examined electromagnetic interference risks for employees with cardiac pacemakers in workplace environments. The research focused on occupational exposures from sources like microwave equipment and diathermy devices that could potentially disrupt pacemaker function. This represents early recognition that electromagnetic fields could interfere with medical devices.
Unknown authors · 1974
This 1974 military technical report examined hazard protection and performance effectiveness against various radiation environments, including electromagnetic radiation, lasers, and nuclear sources. The study focused on biological effects and safety criteria for military personnel exposed to non-ionizing radiation. This represents early military recognition that electromagnetic radiation posed biological hazards requiring protective measures.
Michaelson SM · 1974
This 1974 review analyzed presentations from a major international symposium on microwave radiation's biological effects and health hazards, co-sponsored by the World Health Organization and multiple government agencies. The review examined scientific evidence from researchers worldwide about how microwave exposure affects human health. This represents one of the earliest comprehensive international assessments of microwave radiation risks, establishing foundations for modern EMF safety discussions.