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

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Key Finding: 79% of 742 studies on cancer & tumors found biological effects from EMF exposure.

Of 742 studies examining cancer & tumors, 79% found measurable biological effects from EMF exposure.

Lowest Documented Effect

Research found effects on cancer & tumors at exposures as low as:

Study Exposure Level in ContextStudy Exposure Level in Context0.00002, 0.0002, 0.008Extreme Concern - 1,000 uW/m2FCC Limit - 10M uW/m2Effects observed in the No Concern rangeFCC limit is 500,000,000,000x higher than this level

Research Overview

  • -When nearly 60% of studies examining EMF exposure and cancer risk find evidence of effects, the scientific community is sending a clear signal that deserves your attention.
  • -Out of 226 peer-reviewed studies, 135 have documented associations between electromagnetic field exposure and various forms of cancer and tumor development.
  • -This isn't a handful of outlier studies or preliminary findings - this represents a substantial body of evidence spanning decades of research across multiple countries and research institutions.

When nearly 60% of studies examining EMF exposure and cancer risk find evidence of effects, the scientific community is sending a clear signal that deserves your attention. Out of 226 peer-reviewed studies, 135 have documented associations between electromagnetic field exposure and various forms of cancer and tumor development. This isn't a handful of outlier studies or preliminary findings - this represents a substantial body of evidence spanning decades of research across multiple countries and research institutions.

The evidence shows that reducing exposure duration and intensity can meaningful impact your cellular health, and that knowledge gives you the power to take practical steps that may reduce your long-term cancer risk.

The research presented in this section demonstrates significant evidence that extremely low frequency electromagnetic field (ELF-EMF) exposures can cause DNA damage and genetic alterations relevant to leukemia development.

Source: BioInitiative Working Group. BioInitiative Report: A Rationale for Biologically-based Public Exposure Standards for Electromagnetic Radiation. Edited by Cindy Sage and David O. Carpenter, BioInitiative, 2012, updated 2020. www.bioinitiative.org

Showing 742 studies

EFFECT OF SELECTIVE TUMOR HEATING ON THE LOCALIZATION OF 131-I FIBRINOGEN IN THE WALKER CARCINOMA 256. II. HEATING WITH MICROWAVES

Copeland, E.S., Michaelson, S.M. · 1970

This 1970 study examined how microwave heating affects the uptake of radioactive fibrinogen (a blood clotting protein) in Walker carcinoma tumors in laboratory animals. Researchers investigated whether selective tumor heating using microwaves could enhance the localization of this tracer compound. The research represents early work exploring microwave energy for targeted cancer treatment applications.

THE EPIDEMIOLOGICAL STUDY OF MONGOLISM IN BALTIMORE

Bernice H. Cohen, Abraham M. Lilienfeld · 1970

This 1970 Baltimore study investigated whether parental exposure to ionizing radiation increased the risk of Down syndrome (then called mongolism) in their children. Researchers examined the connection between radiation exposure and chromosomal abnormalities that cause Down syndrome. The study was motivated by known links between radiation and chromosome damage, as well as associations between Down syndrome and leukemia.

EFFECT OF SELECTIVE TUMOR HEATING ON THE LOCALIZATION OF 131I FIBRINOGEN IN THE WALKER CARCINOMA 256. II. Heating with microwaves

E. S. COPELAND, S. M. MICHAELSON · 1969

This 1970 study examined using microwave radiation to heat Walker carcinoma tumors in laboratory animals, testing whether microwave heating could improve the effectiveness of radioactive iodine (131-I) cancer treatment. The research explored microwave radiation as a way to enhance tumor targeting for radiation therapy rather than as a standalone cancer treatment.

Radiation Bio-Effects Summary Report January-December 1969

William A. Mills, Donald M. Hodge · 1969

This 1969 technical report examined the biological effects of microwave radiation exposure on laboratory animals, focusing on pathological changes, cancer development, and viral transformation. The research represented early government documentation of microwave radiation's potential health impacts during a period of increasing military and civilian microwave technology deployment.

ELECTRIC FIELDS AND BONE LOSS OF DISUSE

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.

Investigations of the Effect of Combined Electromagnetic Fields on Neoplastic Malignant Growth. -- A Contribution to the Problem

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.

RADIATION-EXPOSURE IN PARENTS OF CHILDREN WITH MONGOLISM (DOWN'S SYNDROME)

Arnold T. Sigler et al. · 1965

This 1965 epidemiological study investigated whether parents of children with Down syndrome (then called Mongolism) had higher exposure to ionizing radiation before conception. Researchers used interviews and medical records to compare radiation exposure between parents of Down syndrome children and control groups, exploring whether radiation might cause the chromosomal errors that lead to Down syndrome.

Attempts to localize a carcinoma of the endometrium with the use of short radio waves

Ingelman-Sundberg A, Oderbiad E · 1965

This 1965 study investigated using radiofrequency radiation absorption to detect endometrial cancer location and spread before treatment. Researchers explored how different tissues absorb RF energy differently based on their water content and specific molecular properties. The work aimed to develop a diagnostic tool by measuring tissue-specific RF absorption patterns.

Attempts to localize a carcinoma of the endometrium with the use of short radio waves

A. Ingelman-Sundberg, M.D., A. Odeblad, M.D. · 1965

This 1965 medical study investigated using short radio waves (radiofrequency radiation) to locate endometrial cancer tumors inside the body. The research explored whether RF energy could be used as a diagnostic tool by measuring how different tissues absorb electromagnetic radiation. This represents early medical applications of the same radiofrequency technology now used in cell phones and wireless devices.

Biological effect of microwave radiation. Effects of microwave irradiation on Erlich's ascites carcinoma cells

Horai H. · 1964

This 1964 Japanese study examined how microwave radiation affects Ehrlich's ascites carcinoma cells in laboratory conditions. The research represents early scientific investigation into microwave radiation's biological effects on cancer cells. While specific findings aren't available, this work contributed to foundational understanding of electromagnetic field interactions with cellular systems.

Crossing-over in Males of Drosophila Induced by Radio Frequency Treatment

G. H. Mickey · 1963

This 1963 study examined whether radio frequency radiation could induce genetic crossing-over in male fruit flies (Drosophila), a process where chromosomes exchange genetic material during reproduction. The research investigated RF radiation's ability to cause genetic mutations, similar to known effects from X-rays. This represents early scientific evidence that non-ionizing radiation could potentially affect genetic material.

Effects of Chronic Microwave Irradiation on Mice

S. Prausnitz, C. Susskind · 1962

Researchers exposed 200 male mice to microwave radiation daily for over a year at power levels that raised their body temperature by 3.3°C. The study found testicular damage and blood cell tumors in the irradiated mice, though overall lifespan wasn't significantly affected. This early research demonstrated that chronic microwave exposure could cause reproductive and cancer-related changes in mammals.

Annual Report of Microwave Radiation Research

William B. Deichmann · 1960

This 1960 University of Miami research report documented early studies on microwave radiation effects in experimental animals, including beagle dogs exposed to chronic microwave radiation with particular attention to leukemia development. The study represents pioneering research into the biological effects of microwave exposure during the early development of radar and microwave technologies.

Dielectric Absorption of Microwaves in Human Tissues

J. R. Mallard, J. G. Lawn · 1959

This 1959 study examined how microwaves are absorbed differently by various human tissues, finding that healthy tissues absorb microwaves at rates up to 20 times different than fat tissue. The research suggested these absorption differences could potentially be used to locate tumors and distinguish between healthy and diseased tissue.

Cancer & TumorsNo Effects Found

Radiofrequency radiation at 1950 MHz (UMTS)

Unknown authors · 1950

Researchers exposed rat brain cells to 1950 MHz radiofrequency radiation (3G UMTS signal) for 24 hours at high intensity levels to test for DNA damage, cell death, and other harmful effects. The study found no detectable biological effects despite using radiation levels higher than most previous research. This suggests that short-term exposure to 3G frequencies may not cause immediate cellular damage in this laboratory model.

THE ACTION OF SHORT RADIO WAVES ON TISSUES III. A COMPARISON OF THE THERMAL SENSITIVITIES OF TRANSPLANTABLE TUMOURS IN VIVO AND IN VITRO

HERBERT J. JOHNSON · 1940

This 1940 study compared how transplanted tumors responded to heat generated by short radio waves, testing both tumors grown in living animals versus laboratory conditions. Researchers used thermocouples to measure tissue heating and examine whether radio wave-induced thermal effects affected tumor sensitivity differently in these two environments.

THE ACTION OF SHORT RADIO WAVES ON TISSUES - II. TREATMENT OF ANIMAL TUMOURS IN VIVO

FRANK DICKENS, STANLEY F. EVANS, HANS WEIL-MALHERBE · 1937

This 1937 study examined whether short radio waves could treat tumors in live animals. Researchers found that radio waves only affected tumors when they generated enough heat to raise tissue temperature, with no special anti-cancer properties beyond thermal effects. The study concluded that radio wave therapy offered no advantages over established treatments like surgery or X-rays.

A Current Literature Report on the Carcinogenic Properties of Ionizing and Nonionizing Radiation

Unknown authors

This technical report examined the cancer-causing potential of both ionizing radiation (like X-rays) and nonionizing radiation (including microwaves and RF radiation from wireless devices). The report reviewed existing literature on occupational exposure to electromagnetic radiation and its links to carcinogenesis. This type of comprehensive analysis helps establish the current state of scientific knowledge about radiation-related cancer risks across different frequency ranges.

MICROWAVE EFFECTS ON ENERGY LEVELS OF BRAIN AND MALIGNANT BRAIN TUMOR

Unknown authors

This technical report examined how microwave radiation affects energy production systems in brain tissue and malignant brain tumors in laboratory animals. The research focused on cellular powerhouses (mitochondria) and key energy molecules like ATP, which fuel all cellular processes. Understanding these effects is crucial since our brains consume about 20% of our body's total energy.

A MICROWAVE DIATHERMY APPLICATOR

Unknown authors

This technical paper describes the design and testing of a microwave diathermy applicator operating at 2.45 GHz for potential cancer treatment through induced hyperthermia. Researchers developed a circular aperture device with a corrugated flange to improve heating uniformity and reduce microwave leakage. The applicator's performance was validated using probe measurements and thermal imaging.

AN EXPERIMENTAL MODEL FOR DETECTING AND AMPLIFYING SUBTLE RF FIELD-INDUCED CELL INJURIES

Vernon Riley et al.

Researchers exposed cancer cells to 30 MHz radio frequency fields in laboratory conditions, then implanted them into specially selected mice to detect subtle biological effects. They found that RF-exposed cancer cells were more likely to regress (shrink and disappear) after implantation, leading to higher survival rates in the host mice. This innovative approach revealed biological effects that were too subtle to detect through direct cell observation alone.

Do the French Have a Cure for Cancer?

David M. Rorvik

This article by David Rorvik examines secretive French research suggesting potential cancer treatments or cures, though specific methodologies and findings remain undisclosed. The work appears to involve electromagnetic field applications in cancer therapy, conducted behind closed doors with limited public information. The secretive nature makes it difficult to evaluate the scientific validity or practical implications of these claimed discoveries.

Learn More

For a comprehensive exploration of EMF health effects including cancer & tumors, along with practical protection strategies, explore these books by R Blank and Dr. Martin Blank.

FAQs: EMF & Cancer & Tumors

When nearly 60% of studies examining EMF exposure and cancer risk find evidence of effects, the scientific community is sending a clear signal that deserves your attention. Out of 226 peer-reviewed studies, 135 have documented associations between electromagnetic field exposure and various forms of cancer and tumor development.
The SYB Research Database includes 742 peer-reviewed studies examining the relationship between electromagnetic field exposure and cancer & tumors. These studies have been conducted by researchers worldwide and published in scientific journals. The research spans multiple decades and includes various types of EMF sources including cell phones, WiFi, power lines, and other common sources of electromagnetic radiation.
79% of the 742 studies examining cancer & tumors found measurable biological effects from EMF exposure. This means that 587 studies documented observable changes in biological systems when exposed to electromagnetic fields. The remaining 21% either found no significant effects or had inconclusive results, which is typical in scientific research where study design and exposure parameters vary.