M. M. Aleksandrovskaya, R. I. Kruglikov, Yu. A. Kholodov · 1968
This 1968 Soviet research examined how weak electromagnetic stimuli, including constant magnetic fields and microwaves, affect neuroglia (brain support cells) and their protective barrier function. The study found that these EMF exposures can activate neuroglia cells and lead to inhibited states in the central nervous system. The research demonstrated that neuroglia work as an integrated system with neurons and play active roles in nerve cell functioning.
J. T. Cummins, B. E. Vaughan, R. L. Persotti · 1968
Researchers exposed rat stomach tissue to electrical currents at frequencies from 10 to 1,000 Hz and found that both alternating and square wave currents caused the stomach lining to depolarize (lose its electrical charge). While acid production remained normal, the electrical properties of the stomach tissue changed significantly, suggesting direct effects on cellular membranes.
Arthur S. Wilson, Anthony Sances Jr., Sanford J. Larson · 1968
This 1968 study examined how electroanesthesia (electrical current used for anesthesia) affected timing behavior in squirrel monkeys. Researchers investigated whether electrical stimulation altered the animals' ability to perform time-based tasks. The research provides early evidence that electrical fields can influence brain function and behavior.
Sanford J. Larson, Anthony Sances, Jr. · 1968
This 1968 study by Larson examined how electrical currents affect the nervous system during electroanesthesia, focusing on brain wave activity in visual and auditory regions. The research explored how extremely low frequency electrical fields influence neural transmission and sensory processing. This early work helped establish scientific understanding of how external electrical fields can alter normal brain function.
G.P. de Loor · 1968
This 1968 technical study examined how microwaves interact with heterogeneous mixtures, particularly those containing water. The research focused on understanding the dielectric properties (how materials respond to electromagnetic fields) of complex systems when exposed to microwave radiation. This foundational work helped explain why water-containing materials behave differently under microwave exposure.
P. O. Vogelhut · 1968
This 1968 research explored how microwave radiation could be used to study water behavior around biological molecules like enzymes. Scientists developed techniques to measure changes in water structure and found that microwaves could reveal how water molecules interact with proteins and other biological components.
Jerome B. Westin, M.D. · 1968
This 1968 study examined human tolerance limits for microwave radiation exposure, investigating both thermal (heating) and non-thermal biological effects. The research focused on understanding safe exposure levels for humans working with radar and other microwave technologies. This represents early scientific recognition that microwave radiation could affect human biology beyond just tissue heating.
SHIRLEY A. CARNEY, J. C. LAWRENCE, and C. R. RICKETTS · 1968
Researchers exposed guinea pig skin tissue to X-band microwaves (8,730 MHz) and found that absorbed microwave energy converted to heat, causing significant biochemical disruption. The study measured a 50% reduction in essential cellular processes like collagen production and phospholipid synthesis at energy levels of 4,750 mJ per square centimeter.
Jerome B. Westin, M.D. · 1968
This 1968 medical research by Dr. Jerome Westin examined how much microwave radiation humans can tolerate, studying both thermal (heating) and non-thermal biological effects. The study helped establish early understanding of microwave radiation's impact on human health during the early development of microwave technology.
Allan H. Frey, Elwood Seifert · 1968
This 1968 study by researcher A.H. Frey investigated whether pulse-modulated UHF (ultra-high frequency) electromagnetic energy could affect heart rate in animals. The research examined the cardiovascular response to specific patterns of electromagnetic illumination, representing early scientific investigation into how pulsed radiofrequency fields might influence biological systems.
Jana Pazderova · 1968
This 1968 study by Jana Pazderova examined how electromagnetic radiation in the centimeter and meter wavelength ranges affects human health. The research focused on microwave and radio wave frequencies that are commonly used in communications and industrial applications. This represents early scientific investigation into EMF health effects, decades before widespread cellular technology.
K. MAJEWSKA · 1968
Polish researchers examined 400 people - 200 microwave-exposed workers and 200 controls - to assess eye damage from occupational microwave exposure. The study found evidence of harmful eye effects from microwave radiation at levels considered safe by workplace regulations, but only after prolonged exposure of 4-5 years or more. This 1968 research provided early evidence that regulatory limits might be insufficient for long-term protection.
J. C. LAWRENCE · 1968
Researchers exposed guinea pig skin tissue to X-band microwaves (8,730 MHz) and found a clear dose-response relationship where higher microwave intensities caused more tissue damage. The study determined that 4,740 mW per square centimeter for one second caused 50% respiratory damage to skin cells, with tissue damage appearing to result from microwave energy being converted to heat.
L. A. Komarova · 1968
This 1968 Soviet research examined how ultra high frequency electromagnetic fields affected blood pressure and breathing patterns in laboratory animals. The study represents early scientific investigation into EMF's cardiovascular and respiratory effects. While specific findings aren't available, this research helped establish that EMF exposure could measurably alter fundamental biological functions.
David S. Rosenthal, Steven G. Beering · 1968
This 1963 case study documented severe testicular damage in a 31-year-old man repeatedly exposed to high-powered microwave radiation from radar equipment over four years. Tissue biopsy revealed tubular atrophy, cell death, and fluid buildup, with reduced sperm production continuing for at least a year after exposure ended.
Edelwein Z · 1968
This 1968 study examined how chronic microwave exposure affects brain function in rabbits, specifically looking at the electrical activity of brain synapses (the connections between nerve cells) using electroencephalography. The research was among the early investigations into whether microwave radiation could alter normal brain communication patterns in living animals.
Herman P. Schwan · 1968
This 1968 technical report by Herman Schwan examined how the human body conducts and resists electrical current, establishing foundational measurements of electrical impedance across different body tissues. The research provided critical baseline data for understanding how electromagnetic fields interact with human biology. This work became essential for later safety standards and EMF exposure calculations.
Jana Pazderova · 1968
This 1968 research by Jana Pazderova examined how electromagnetic radiation in centimeter and meter wavelengths affects human health. The study represents early scientific investigation into microwave and radio wave health effects, decades before widespread wireless technology adoption. This pioneering work helped establish the foundation for understanding EMF biological impacts.
JAMES H. McELHANEY, RICHARD STALNAKER, ROBERT BULLARD · 1968
Researchers applied electric fields to immobilized rat legs for 28 days to test whether electrical stimulation could prevent bone loss from disuse. The electric field treatments successfully reduced bone weight loss and cortical area reduction compared to untreated controls. However, 8 bone tumors developed in the 18 treated femurs, while no tumors appeared in the control group.
F. G. Hirsch, D. R. McGiboney, T. D. Harnish · 1968
This 1968 study by F.G. Hirsch examined how high-density pulsed electromagnetic energy affected psychological behavior in laboratory rats, specifically focusing on maze performance. The research represents early scientific investigation into whether electromagnetic fields could influence brain function and behavior patterns. This work helped establish the foundation for understanding potential neurological effects of EMF exposure decades before widespread wireless technology adoption.
Stanisław Barański, Zbigniew Edelwejn · 1968
This 1968 study exposed 65 rabbits to microwave radiation while administering various neurological drugs, measuring brain wave activity through electroencephalograms. Researchers found that microwaves altered how the brain responded to these drugs, changing tolerance levels and brain electrical patterns. The findings suggest microwaves can directly affect the brain's reticular formation, which controls arousal and consciousness.
Allan Fraser, Allan H. Frey · 1968
Researchers in 1968 discovered that active crab nerve cells emit electromagnetic radiation in the micron wavelength range (0.3-10 micrometers), while inactive and dead nerves do not. The study showed this emission comes from specific biological processes in functioning nerves, not just general heat radiation from living tissue.
SHIRLEY A. CARNEY, J. C. LAWRENCE, C. R. RICKETTS · 1968
Researchers exposed guinea pig skin tissue to X-band microwaves (8,730 MHz) and found that absorbed energy converted to heat, causing significant biochemical damage. The study showed a 50% reduction in essential cellular processes like collagen production and DNA synthesis at specific energy levels, demonstrating that microwave radiation can disrupt fundamental biological functions even in isolated tissue.
A. R. Livenson · 1968
This 1968 study measured how much microwave energy reflects off human skin versus being absorbed into body tissues. Researchers found that on average, 50% of microwave energy bounces off the body surface in medical frequency ranges (460-2375 MHz), though this varies significantly based on individual skin and fat thickness.
LOBANOVA EA · 1968
This 1968 Soviet study examined how periodic microwave exposure affects mice, focusing on standardizing exposure protocols for safety research. The researchers investigated reflex responses and radiation effects to help establish maximum permissible exposure levels. This represents early foundational work in microwave safety standards development.
