Browse 8,700 peer-reviewed studies on electromagnetic field health effects from 4 research libraries.
Showing all 8,700 studies
Zoran Đorđević · 1973
This 1970 study examined how microwave radiation from radar equipment affected blood characteristics in radar operators. Researchers measured radiation intensity in radar units and analyzed changes in blood parameters among workers exposed to these microwaves. The research represents early occupational health investigation into microwave exposure effects on human blood.
R.G. Olson, C.H. Durney, J.L. Lords, C.C. Johnson · 1973
Researchers exposed isolated rat hearts to 960 MHz microwave radiation at power levels of 1.5 to 2.5 mW/cm³. Within two minutes, the hearts developed pronounced bradycardia (slowed heart rate) with both regular decreases and temporary cessations. This built on previous turtle heart studies showing similar cardiac effects from microwave exposure.
J. W. Rockway, P. M. Hansen · 1973
Navy researchers calculated electromagnetic field intensities around high-frequency whip antennas on ships to identify radiation hazard zones for personnel and equipment. The 1973 study used computer modeling to determine safe distances from these powerful radio transmitters. This established preliminary safety guidelines for protecting sailors and preventing interference with ordnance and fuel systems.
N. Bloembergen, J. A. Pierce, R. W. P. King · 1973
This 1973 technical report documented presentations given at Harvard University's Joint Services Electronics Program annual review meeting in May 1972. The report focused on radiofrequency shielding and potential hazards, marking 25 years of military-sponsored electronics research at the university.
George F. D'Cunha et al. · 1973
A patient with a Medtronic 5842 pacemaker experienced repeated fainting episodes when near a television transmitter due to radio frequency interference disrupting the device's function. Switching to a titanium-shielded Medtronic 5942 pacemaker resolved the problem, demonstrating that RF fields from broadcast transmitters can interfere with certain medical devices.
James C. Lin, Arthur W. Guy, Curtis C. Johnson · 1973
This 1973 theoretical study used spherical models to calculate how much radiofrequency energy the human body absorbs when exposed to electromagnetic fields between 1-20 MHz. The researchers found that at these frequencies, power absorption is extremely low - less than 2.5×10⁻³ milliwatts per gram of body tissue per milliwatt of incident radiation. The study suggested that thermal safety levels for HF frequencies could be much higher than the 10 mW/cm² recommended for microwaves.
John de Lorge · 1973
Researchers exposed two rhesus monkeys to extremely low frequency (ELF) magnetic and electric fields at 45 Hz and 10 Hz to test behavioral effects. The study found no significant changes in reaction time, operant responding, or cognitive tasks. Even minor effects observed at 10 Hz were not clinically meaningful and couldn't be replicated.
G. H. Zeman, R. L. Chaput, Z. R. Glaser, L. C. Gershman · 1973
This 1973 technical report examined how microwave exposure affected GABA metabolism in laboratory rats. GABA is a crucial brain chemical that helps regulate nerve activity and maintain proper brain function. The study represents early research into whether microwave radiation could disrupt fundamental brain chemistry.
P. Kolta · 1973
Researchers in 1973 discovered that frog nerve tissue shows unexpectedly strong magnetic interactions with permanent magnetic fields, unlike other body tissues. The study measured the nerve's magnetic susceptibility and developed mathematical models to explain this unique electromagnetic behavior. This suggests nerve tissue has special electromagnetic properties that could make it particularly sensitive to magnetic field exposure.
W.M. Houk, S.M. Michaelson, A. Longacre Jr. · 1973
Researchers exposed 400 young male rats to 2450 MHz microwave radiation at various power levels and measured their internal body temperature. The study found that microwave exposure caused significant increases in core body temperature, similar to fever, with effects related to both power level and exposure duration.
Zoran Djordjevic, Aleksandar Kolak · 1973
This 1973 study exposed rats to 2400 MHz microwave radiation at 10 mW/cm² power density for chronic periods. Researchers found initial increases in blood cell counts that later normalized, slight temperature increases, and no significant effects on eye health or altitude tolerance. The study represents early research into microwave biological effects.
Unknown authors · 1973
ANSI C95.3-1973 established technical standards for measuring microwave electromagnetic radiation and instrumentation protocols for detecting hazardous radiation levels. This foundational document created measurement guidelines that helped define what constituted dangerous microwave exposure in the 1970s. The standard provided the technical framework for assessing microwave radiation risks in occupational and public settings.
James R. Rabinovitz · 1973
This 1973 theoretical analysis examined how microwave radiation might interfere with biological molecules at the cellular level. The research suggested that microwaves could disrupt stereospecific biomolecular processes - essentially the precise three-dimensional interactions that allow proteins and other molecules to function properly. This early work identified potential mechanisms by which microwave exposure might affect living systems.
O. Sand · 1973
Researchers exposed green algae (Ulva mutabilis) to electric fields and found that root-like structures called rhizoids consistently grew toward the positive electrode. Both normal and mutant strains showed this directional growth response, but with different patterns, supporting the theory that cells use electrical forces to guide their development.
C.K. CHOU, ARTHUR W. GUY · 1973
Researchers exposed isolated peripheral nerves to 2450 MHz microwave radiation in a controlled laboratory setting, testing both continuous and pulsed signals at various power levels. The study found no significant changes in nerve function or characteristics after exposure. This early research suggested that nerve tissue could withstand microwave exposure at the frequencies tested.
Unknown authors · 1972
This 1972 Polish government regulation established safety standards and protection zones for microwave electromagnetic field exposure in workplaces. The document represents one of the earliest official government recognition of potential health risks from microwave radiation exposure. It implemented hygiene regulations and protective measures for workers exposed to microwave fields.
Konryk R. Kucla · 1972
This 1972 conference paper by Polish researcher Konryk R. Kucla examined electromagnetic radiation safety standards and biological effects in Poland, focusing on microwave fields and radiation protection measures. The research addressed early concerns about EMF exposure limits and safety protocols during the initial development of modern electromagnetic safety standards. This work represents important early documentation of international efforts to understand and regulate electromagnetic radiation exposure.
Unknown authors · 1972
This 1972 government report outlined a comprehensive program to control electromagnetic pollution in the environment, addressing biological hazards from nonionizing electromagnetic radiation. The document represented early federal recognition of EMF as an environmental concern requiring systematic management and oversight.
Reginald W. Rhein · 1972
This 1972 study by Reginald W. Rhein examined whether microwave radiation could inhibit tumor formation in rodents. The research investigated the relationship between microwave exposure and cancer development, focusing on whether microwaves might actually prevent malignancies from forming. This work contributed to early understanding of how electromagnetic fields interact with biological processes related to cancer.
M. P. Troyanskiy · 1972
This 1972 Russian study examined the harmful effects of microwave electromagnetic fields on human health and worked to establish maximum safe exposure limits. The research focused on developing protective measures against microwave radiation exposure. This represents early scientific recognition of potential health risks from microwave EMF exposure.
M. N. Sadchikov et al. · 1972
This 1972 Russian study examined two aspects of radiowave disease: blood circulation changes in the brain and peripheral areas using rheographic measurements, and immune system responses in animals exposed to prolonged ultra-high frequency radiation. The research represents early documentation of what Soviet scientists termed 'radiowave sickness' from occupational RF exposure.
I. R. Petrov · 1972
This 1972 technical report by I.R. Petrov examined how microwave radiation affects both human and animal organisms. The research represents early scientific investigation into the biological effects of microwave exposure across different species. This work contributed to the foundational understanding of microwave radiation's impact on living systems during the early development of microwave technology.
Lawrence T. Odland · 1972
This 1972 US Air Force technical report examined radio frequency hazards and electromagnetic radiation exposure, particularly from radar systems used by military personnel. The document provided observations, opinions and recommendations for controlling RF hazards within the medical service program. This represents early military recognition of potential health risks from occupational electromagnetic field exposure.
Gidon F. Gestring, Wolfgang T. Koos, Fritz W. Boeck · 1972
This 1972 study examined what happens when surgical electrocoagulation equipment creates electrical current loops near the brain and spinal cord in animals. Researchers found that monopolar electrocoagulation caused dangerous side effects including sudden blood pressure spikes, breathing irregularities, heart rhythm problems, and cardiac arrest. The study showed that switching to bipolar electrocoagulation eliminated these life-threatening complications.
Nicholas Wade · 1972
This 1972 article examined allegations that the Soviet Union used microwave devices to influence American chess champion Bobby Fischer during his historic world championship match against Boris Spassky. The investigation explored whether microwave radiation could cause 'asthentic syndrome' (fatigue and concentration problems) to disrupt Fischer's performance.