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.
H. W. Ludwig · 1968
This 1968 research by Ludwig proposed a theoretical mechanism for how natural electromagnetic pulses from lightning (called atmospherics) might be absorbed by the human nervous system. The study focused on extremely low frequency (ELF) electromagnetic fields and their potential interaction with neural tissue, particularly at synapses where nerve cells communicate.
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.
Wellington Moore, Jr., D.V.M., Ph.D. · 1968
This 1968 government review examined the biological hazards of microwave radiation exposure, analyzing the scientific understanding of how microwave energy affects living systems. The study represented an early comprehensive assessment of microwave health risks during the era when radar and microwave technology were rapidly expanding. This review helped establish the foundation for understanding microwave biological effects decades before widespread consumer microwave exposure.
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.
Henry M. Hoffart · 1968
This 1968 study examined the relationship between electromagnetic compatibility (EMC) and radiation hazards from RF sources. The research explored how electromagnetic interference and RF effects could pose health risks to humans. This represents early recognition that electromagnetic emissions might create both technical interference problems and biological health concerns.
B.G. AFANAS-YEV, I.M. Suvorov · 1968
This 1968 Soviet study examined adrenal gland function in naval radio operators exposed to microwave radiation during their work. Researchers measured stress hormone levels (17-oxycorticosteroids and 17-ketosteroids) to assess whether microwave exposure affected the adrenal cortex. The study represents early occupational health research into potential biological effects of high-frequency electromagnetic fields.
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.
R. G. Young · 1968
This 1968 research examined the therapeutic use of pulsed high-frequency electromagnetic fields (specifically Diapulse technology) for treating injuries and promoting wound healing in humans. The study explored both the potential benefits and limitations of this electromagnetic therapy approach. This represents early medical research into controlled EMF applications, distinct from the uncontrolled exposures we face from modern wireless devices.
Unknown authors · 1968
This 1968 Soviet study examined how microwave electromagnetic radiation affects blood cell production (hematopoiesis) in laboratory rodents. The research represents early experimental work investigating potential biological effects of microwave exposure on the body's blood-forming system. This type of foundational research helped establish the scientific basis for understanding EMF health effects.
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.
LOUIS P. ZULLI · 1968
This 1968 study examined using pulsed high-frequency electromagnetic energy (DIAPULSE technology) as an additional treatment for foot wounds and lesions. The research investigated whether controlled RF energy pulses could help heal both surgical and traumatic foot injuries. This represents early medical research into therapeutic electromagnetic field applications.
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.
A. R. Livenson · 1968
This 1968 study measured how much microwave energy reflects off the human body surface versus getting absorbed into tissues. Researchers found that about 50% of medical microwave energy (460-2375 MHz) bounces off the body, with the exact percentage varying based on individual body characteristics and frequency used.
Willard E. Caldwell, Frank Russo · 1968
This 1968 exploratory study examined how AC magnetic fields affect the behavior of Italian honey bees, motivated by concerns about how space travel might impact living organisms when removed from Earth's natural magnetic environment. The researchers developed experimental methods to test magnetic field effects on animal behavior, though specific findings aren't detailed in the available abstract.
S. V. Nikogosyan, I. A. Kitsovskaya · 1968
Soviet researchers exposed rats to decimeter wave radiation (110 mW/cm²) for 60 minutes daily and found it decreased cholinesterase activity in the brain. Rats that were already sensitive to noise showed the most dramatic changes, suggesting pre-existing nervous system conditions may amplify EMF effects.
Paul Leroy Hill, Jr. · 1968
This 1968 study developed specialized measurement techniques to accurately study how human skeletal muscle tissue responds to extremely low frequency electrical fields (down to 1.5 Hz). Researchers found that standard measurement methods were inadequate due to electrode interference, requiring four-electrode bridge systems for reliable results. The work established foundational methods for measuring biological tissue electrical properties at frequencies relevant to power lines and some medical devices.
Françoise M. L. Attinger · 1968
Researchers tested dog arterial walls under different strain conditions to understand how blood vessels behave mechanically. They found that arteries are anisotropic (behave differently in different directions) rather than uniform, with different elastic properties when stretched tangentially versus longitudinally. This challenges common assumptions used in vascular system modeling.
J. Pokorny, V. Jelinek · 1967
Researchers exposed mice with transplanted tumors to magnetic and electromagnetic fields of varying intensities. Certain field arrangements significantly slowed tumor growth and extended survival times in the treated animals. This 1967 study suggests specific EMF configurations may have therapeutic anti-cancer effects.
H. A. GEBBIE et al. · 1967
This 1967 technical study demonstrated the generation of continuous wave sub-millimeter radiation at 337 micrometers using a cyanide gas maser system. Researchers achieved approximately 50 milliwatts of usable power output from their experimental apparatus. This represents early work in developing coherent electromagnetic radiation sources in the sub-millimeter frequency range.
A. M. Kadoum, S. O. Nelson, L. E. Stetson · 1967
Researchers exposed yellow mealworm larvae to radiofrequency radiation and found that RF energy caused deadly internal heating in the insects. The thoracic region (chest area) reached the highest temperatures due to body appendages concentrating electric fields, with internal temperatures approaching lethal levels that likely caused the observed deaths.
