8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.

EMF Research Studies

Browse 8,700 peer-reviewed studies on electromagnetic field health effects from 4 research libraries.

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PRESENT STATUS OF FEVER THERAPY

William Bierman, M.D. · 1948

This 1948 medical review examined the therapeutic use of artificially induced fever (hyperthermia) to treat infections like gonorrhea and syphilis before antibiotics became widely available. The study assessed fever therapy's effectiveness compared to emerging treatments like penicillin and sulfonamides. This represents early medical research into controlled heat exposure for therapeutic purposes.

TEMPERATURE DEPENDENCE OF THE DIELECTRIC CONSTANT OF BLOOD AT LOW FREQUENCIES

Hermann Schwan · 1948

This 1948 study by Hermann Schwan examined how temperature affects blood's dielectric properties when exposed to extremely low frequency electromagnetic fields (10-1000 meter wavelengths). The research found that blood's dielectric constant remains stable across different temperatures, indicating that electromagnetic field interactions with blood depend on its cellular structure rather than thermal effects.

THALAMO-CORTICAL SYSTEMS AND THE ELECTRICAL ACTIVITY OF THE BRAIN

JASPER, HH · 1948

This 1948 foundational research by H.H. Jasper examined how electrical activity flows between the thalamus and cortex regions of the brain, establishing early understanding of neural electrical patterns. The work helped create the scientific framework for measuring brain electrical activity that we still use today. This research became crucial for understanding how external electromagnetic fields might interfere with the brain's natural electrical systems.

PHYSIOLOGICAL DAMAGE DUE TO MICROWAVES

W. W. Salisbury, John W. Clark, H. M. Hines · 1948

This 1948 technical report by W.W. Salisbury examined physiological damage caused by microwave radiation exposure in animals. The research represents one of the earliest systematic investigations into the biological effects of microwave energy, conducted during the post-World War II period when radar technology raised initial safety concerns. This foundational work helped establish the scientific understanding that microwave radiation can cause measurable biological harm.

Radiations and Cell Division

Arthur C. Giese · 1947

This 1947 review examined how radiation across the electromagnetic spectrum affects cell division, covering both ionizing and non-ionizing radiation sources. The research analyzed biological effects of electromagnetic radiation on cellular reproduction processes. This early work helped establish foundational understanding of how electromagnetic fields interact with living cells during critical division phases.

Concerning the question of selective overheating of single cells in biological tissue by means of ultrashortwave-flowthrough

H. Schaefer, H. Schwan · 1947

This 1947 research investigated whether ultrashort radio frequency waves could selectively heat individual cells in biological tissue, focusing on bacteria and microorganisms. The study explored how electromagnetic fields might target single cells rather than heating tissue uniformly, examining the role of different dielectric properties between cell types.

Electrosurgery

Ward G E · 1947

This 1947 study examined electrosurgery techniques that use high-frequency electrical currents to cut and destroy tissue during surgical procedures. The research focused on methods like electrocoagulation and electrodesiccation, which apply radiofrequency energy directly to human tissue. This represents one of the earliest documented medical applications of RF energy in direct contact with the human body.

The effect of the presence of metals in tissues subjected to diathermy treatment

Lion KS · 1947

This 1947 research investigated how metals present in biological tissues affect heating patterns during diathermy treatment, which uses radiofrequency electromagnetic fields for therapeutic heating. The study examined whether metal implants or naturally occurring metals in tissues could concentrate electromagnetic fields and create dangerous hot spots. This early work helped establish safety protocols for electromagnetic medical treatments.

SELECTIVE OVERHEATING OF SINGLE CELLS IN BIOLOGICAL TISSUES BY MEANS OF ULTRASHORT-WAVE PERMEATION

H. Schaefer, H. Schwan · 1947

This 1947 research investigated how ultrashort radiofrequency waves could selectively heat individual cells within biological tissues. The study examined the potential for targeted heating effects at the cellular level using RF energy. This early work explored fundamental questions about how electromagnetic fields interact with living tissue.

Effect of ultra high frequency waves on temperature of small laboratory animals

de Seguin L., Castelain G. · 1947

This 1947 study by De Seguin examined how ultra high frequency electromagnetic waves affected body temperature in small laboratory animals like rats and mice. The research represents early scientific investigation into whether radiofrequency radiation could cause measurable biological changes in living organisms. This work helped establish the foundation for understanding thermal effects of EMF exposure that remain relevant today.

DOSIMETRY IN SHORTWAVE THERAPY

CIGNOLINI, P · 1947

This 1947 medical research examined how to measure and calculate proper doses of shortwave radio frequency energy used in therapeutic treatments. The study focused on dosimetry methods for shortwave diathermy, a common medical practice that uses RF energy to heat deep tissues for pain relief and healing.

PRELIMINARY STUDIES ON THE HEATING AND CIRCULATORY EFFECTS OF MICRO-WAVES—'RADAR'

URSULA M. LEDEN et al. · 1947

This 1947 study investigated how microwave radiation from radar systems affects human heating and blood circulation patterns. The research examined the biological effects of early radar technology, particularly focusing on how microwaves generate heat in human tissue and alter circulatory function. This represents some of the earliest scientific documentation of microwave biological effects in humans.

STUDIES ON PAIN: DISCRIMINATION OF DIFFERENCES IN INTENSITY OF A PAIN STIMULUS AS A BASIS OF A SCALE OF PAIN INTENSITY

JAMES D. HARDY, HAROLD G. WOLFF, HELEN GOODELL · 1947

This 1947 research by Hardy developed methods for measuring human pain sensitivity and discrimination, establishing foundational principles for quantifying subjective pain experiences. The study focused on how people distinguish between different intensities of painful stimuli and created measurement scales for pain research. This work laid important groundwork for understanding how humans perceive and respond to potentially harmful stimuli.

THE EFFECTS OF DIATHERMY ON TISSUES CONTIGUOUS TO IMPLANTED SURGICAL METALS

H. S. ETTER, R. H. PUDENZ, I. GERSH · 1947

This 1947 study examined how diathermy (medical heating using radio frequency radiation) affects tissues surrounding surgically implanted metals in animals. The research investigated whether RF radiation used in medical treatments could cause dangerous heating or tissue damage around metal implants. This early work established important safety considerations for medical RF procedures that remain relevant today.

STUDIES OF THERMAL INJURY - V. The Predictability and the Significance of Thermally Induced Rate Processes Leading to Irreversible Epidermal Injury

F. C. HENRIQUES Jr., Ph.D. · 1947

This 1947 research by Henriques established fundamental mathematical principles for predicting how heat exposure causes permanent skin damage. The study developed rate process equations to determine when thermal injury becomes irreversible in human skin tissue. This foundational work created the scientific framework still used today to assess thermal damage from any heat source.

EFFECT OF ULTRA HIGH FREQUENCY WAVES (WAVELENGTHS OF 21 CMS) ON TEMPERATURE OF SMALL LABORATORY ANIMALS

de Saguin, L., Costechain, C. · 1947

This 1947 French study examined how ultra high frequency electromagnetic waves at 21 centimeter wavelengths affected body temperature in small laboratory animals. The research represents one of the earliest investigations into microwave radiation's biological effects, decades before microwave ovens and wireless devices became common. This pioneering work helped establish the foundation for understanding how electromagnetic fields interact with living tissue.

ELECTROSURGERY

Grant E. Ward, M.D. · 1947

This 1947 medical study examined electrosurgery techniques, which use high-frequency electrical currents to cut tissue and control bleeding during surgical procedures. The research focused on methods like electrocoagulation and electrodesiccation, representing early documentation of how radiofrequency energy interacts with human tissue in medical settings.

THE ELECTRICAL PROPERTIES OF SALT-WATER SOLUTIONS OVER THE FREQUENCY RANGE 1-4 000 Mc/s

R. COOPER · 1946

This 1946 study measured the electrical properties of salt water solutions at radio frequencies from 1-4000 MHz to understand how saltwater conducts electromagnetic energy. The research provided foundational data for predicting how seawater behaves at high frequencies, which became crucial for understanding EMF propagation through biological systems since the human body is roughly 60% saltwater.

Variazioni leucocitarie dopo applicazione di onde corte nel campo ginecologico

T. M. Caffaratto · 1946

This 1946 Italian study examined changes in white blood cell counts (leukocytes) in women following shortwave therapy treatments in gynecological practice. The research documented blood cell variations after exposure to radiofrequency electromagnetic fields used in medical diathermy procedures. This represents early clinical observation of biological responses to therapeutic RF radiation.

Whole Body / GeneralNo Effects Found

Studies on the Biological Effect of High Frequency Radio Waves (Radar)

Richard H. Follis, Jr. · 1946

This 1946 military study investigated whether radar equipment used during World War II caused biological harm to personnel, following widespread rumors of sterilization and hair loss. The research found no evidence that radar waves produced dangerous biological effects. This represents one of the earliest systematic investigations into high-frequency electromagnetic radiation health effects.

A Specific Effect of High-Frequency Electric Currents on Biological Objects

Johan E. Nyrop · 1946

This 1946 research by J.E. Nyrop investigated how high-frequency electric currents specifically affect biological objects, focusing on tissue heating and modulation effects. The study examined radiofrequency electromagnetic field interactions with living tissue in laboratory conditions. This represents early scientific recognition that high-frequency electrical fields can produce measurable biological effects beyond simple heating.

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