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

pii: 20180590

Juutilainen J et al et al. · 2018

Scientists reviewed how extremely low-frequency (ELF) magnetic fields from power lines might cause childhood leukemia through a biological mechanism called the radical pair mechanism. This mechanism, which helps birds navigate using Earth's magnetic field, could potentially explain how weak magnetic fields influence cancer-related processes in humans. The research proposes that cryptochromes (light-sensitive proteins) might be the key molecules linking magnetic field exposure to cancer development.

pii: 20180590

Juutilainen J et al et al. · 2018

Researchers explored how extremely low-frequency magnetic fields from power lines might cause childhood leukemia through a biological mechanism called the radical pair mechanism, which helps birds navigate using Earth's magnetic field. They propose that the same cellular machinery that enables magnetic navigation in animals could make human cells vulnerable to power line frequencies. This theoretical framework could finally explain why epidemiological studies consistently link power line EMF to childhood leukemia despite limited laboratory evidence.

Hardell L et al, (May 2018) Radiofrequency radiation from nearby base stations gives high levels in an apartment in Stockholm, Sweden: A case report., Oncol Lett. 2018 May;15(5):7871-7883. doi: 10.3892/ol.2018.8285

Unknown authors · 2018

Swedish researchers measured radiofrequency radiation levels in an apartment located near cell phone base stations on the roof. They recorded over 74,000 measurements and found radiation levels averaging 3,811 µW/m², with some areas reaching over 112,000 µW/m². The researchers concluded the apartment was unsuitable for long-term living, especially for children.

Hardell L et al, (May 2018) Radiofrequency radiation from nearby base stations gives high levels in an apartment in Stockholm, Sweden: A case report., Oncol Lett. 2018 May;15(5):7871-7883. doi: 10.3892/ol.2018.8285

Unknown authors · 2018

Researchers measured radiofrequency radiation levels in a Stockholm apartment located near cell tower base stations on the roof. They found extremely high radiation levels averaging 3,811 µW/m², with some readings exceeding 112,000 µW/m² - levels the authors deemed unsafe for long-term living, especially for children.

Wang P et al, (July 2018) Wireless Phone Use and Risk of Adult Glioma: Evidence from a Meta-Analysis, World Neurosurg. 2018 Jul;115:e629- e636. doi: 10.1016/j.wneu.2018.04.122

Unknown authors · 2018

This meta-analysis examined 10 studies to determine if wireless phone use increases brain cancer (glioma) risk in adults. Overall phone use showed no significant cancer risk, but people who used phones for 10 years or longer had a 33% higher risk of developing gliomas. The findings suggest duration of exposure matters more than casual use.

Vila J et al, (July 2018) Occupational exposure to high-frequency electromagnetic fields and brain tumor risk in the INTEROCC study: An individualized assessment approach, Environ Int

Unknown authors · 2018

This large international study examined nearly 9,000 people to see if workplace exposure to radiofrequency electromagnetic fields increases brain tumor risk. Researchers found no clear evidence that occupational RF exposure causes gliomas or meningiomas, though some suggestive patterns emerged for recent high-level exposures. The study used improved methods to assess actual EMF exposure levels at different jobs.

Alternating magnetic field enhances cytotoxicity of Compound C

Akimoto T et al. · 2018

Researchers exposed human brain cancer cells to alternating magnetic fields (280 kHz frequency) for 30 minutes while treating them with an anti-cancer compound called Compound C. The magnetic field exposure significantly enhanced the cancer-killing effects of the drug, causing more cancer cells to die and preventing them from multiplying. This suggests that magnetic fields might be used to make cancer treatments more effective while potentially allowing lower drug doses.

Reactive oxygen species mediates 50-Hz magnetic field-induced EGF receptor clustering via acid sphingomyelinase activation.

Sun L, Chen L, Bai L, Xia Y, Yang X, Jiang W, Sun W. · 2018

Researchers exposed human cells to power line frequency magnetic fields for 15 minutes and found they triggered harmful cellular changes linked to uncontrolled cell growth. The magnetic fields increased damaging molecules called reactive oxygen species, proving these everyday exposures can disrupt normal cell function.

The Static Magnetic Field Remotely Boosts the Efficiency of Doxorubicin through Modulating ROS Behaviors

Hajipour Verdom B, Abdolmaleki P, Behmanesh M. · 2018

Researchers studied how static magnetic fields affect cancer treatment with doxorubicin (a common chemotherapy drug). They found that magnetic fields at 10 millitesla enhanced the drug's cancer-killing effects by increasing harmful molecules called reactive oxygen species (ROS) in cancer cells. This could potentially allow doctors to use lower doses of chemotherapy while maintaining effectiveness, reducing side effects for patients.

Effects of fifty-hertz electromagnetic fields on granulocytic differentiation of ATRA-treated acute promyelocytic leukemia NB4 cells.

Errico Provenzano A et al. · 2018

Researchers exposed leukemia cells to 50Hz magnetic fields (the same frequency as power lines) to see how it affected cell development. They found that the magnetic field exposure helped cancer cells mature into normal, healthy blood cells when combined with a standard treatment. This suggests that extremely low frequency magnetic fields might influence how cells develop and could potentially affect blood cell formation in the body.

Cytotoxicity of temozolomide on human glioblastoma cells is enhanced by the concomitant exposure to an extremely low-frequency electromagnetic field (100Hz, 100G)

Unknown authors · 2017

Researchers tested whether extremely low-frequency electromagnetic fields (100 Hz, 100 Gauss) could enhance the cancer-fighting effects of temozolomide, a chemotherapy drug used for aggressive brain tumors called glioblastoma. They found that combining EMF exposure with the drug significantly increased cancer cell death compared to using either treatment alone. This suggests EMF might help overcome drug resistance in one of the deadliest forms of brain cancer.

Cancer & Tumors1,318 citations

Kim JH, Kim HJ, Yu DH, Kweon HS, Huh YH, Kim HR

Unknown authors · 2017

Researchers analyzed childhood cancer data from 153 cancer registries across 62 countries from 2001-2010, tracking 385,509 cases in children under 20. The study found that childhood cancer rates increased 13% globally since the 1980s, rising from 124 to 140.6 cases per million children. This represents the largest international comparison of childhood cancer trends ever conducted.

Cancer & TumorsNo Effects Found

Probabilistic Multiple-Bias Modeling Applied to the Canadian Data From the Interphone Study of Mobile Phone Use and Risk of Glioma, Meningioma, Acoustic Neuroma, and Parotid Gland Tumors.

Momoli F et al. · 2017

Canadian researchers re-analyzed data from the large Interphone study to see if mobile phone use increases brain tumor risk, using advanced statistical methods to correct for study biases. They found that people with the heaviest phone use (more than 558 lifetime hours) had roughly double the risk of developing glioma, the most common malignant brain tumor. Even after accounting for potential errors in how people remembered their phone use and who participated in the study, this increased risk remained significant.

Cancer & TumorsNo Effects Found

Analysis of mobile phone use among young patients with brain tumors in Japan.

Sato Y, Kojimahara N, Yamaguchi N · 2017

Japanese researchers analyzed mobile phone ownership among 82 young brain tumor patients (ages 6-18) and compared it to the general population. They found no difference in phone ownership rates between brain tumor patients and healthy children of the same age. The study suggests that mobile phone use was not associated with increased brain tumor risk in this young population.

Mobile phone use and glioma risk: A systematic review and meta-analysis.

Yang M et al. · 2017

Researchers analyzed 11 studies involving over 17,000 people to examine whether cell phone use increases brain tumor risk. They found that using a phone for 10 or more years increased the odds of developing glioma (a type of brain tumor) by 44%, with the strongest association for tumors on the same side of the head where people held their phone. The risk was particularly high for low-grade gliomas, which more than doubled with long-term use.

Proteomic analysis of continuous 900-MHz radiofrequency electromagnetic field exposure in testicular tissue: a rat model of human cell phone exposure.

Sepehrimanesh M, Kazemipour N, Saeb M, Nazifi S, Davis DL · 2017

Researchers exposed rats to 900 MHz cell phone radiation for up to 4 hours daily over 30 days and analyzed protein changes in testicular tissue. They found that radiation exposure increased levels of two specific proteins by 70% - proteins that are linked to cellular stress and cancer risk. This matters because many men carry phones in their pants pockets, creating similar exposure patterns to reproductive organs.

Radiofrequency radiations induced genotoxic and carcinogenic effects on chickpea (Cicer arietinum L.) root tip cells.

Qureshi ST, Memon SA, Abassi AR, Sial MA, Bughio FA. · 2017

Pakistani researchers exposed chickpea seeds to radiation from cell phones (900 MHz) and laptops (3.31 GHz) for 24 and 48 hours to study DNA damage. They found that both devices caused genetic damage to plant cells, with laptop radiation being more harmful than cell phone radiation. The study suggests these everyday devices could potentially cause DNA damage and cancer-like changes in living tissue.

Effect of Exposure to 900 MHz GSM Mobile Phone Radiofrequency Radiation on Estrogen Receptor Methylation Status in Colon Cells of Male Sprague Dawley Rats.

Mokarram P, Sheikhi M, Mortazavi SMJ, Saeb S, Shokrpour N · 2017

Researchers exposed male rats to 900 MHz GSM cell phone radiation for 4 hours and found it altered DNA methylation patterns in colon cells, specifically affecting the estrogen receptor gene. DNA methylation is a process that controls gene activity and plays a role in cancer development. This suggests that cell phone radiation may cause epigenetic changes that could potentially increase colorectal cancer risk.

Effect of Exposure to 900 MHz GSM Mobile Phone Radiofrequency Radiation on Estrogen Receptor Methylation Status in Colon Cells of Male Sprague Dawley Rats.

Mokarram P, Sheikhi M, Mortazavi SMJ, Saeb S4 Shokrpour N · 2017

Iranian researchers exposed male rats to 900 MHz GSM cell phone radiation for 4 hours and examined how it affected DNA methylation patterns in colon tissue cells. They found that the cell phone radiation altered the methylation pattern of the estrogen receptor alpha gene, which is involved in colorectal cancer development. This suggests that cell phone radiation may contribute to cancer risk through epigenetic changes - modifications that don't alter DNA sequence but affect how genes are expressed.

Mobile phones, cordless phones and rates of brain tumors in different age groups in the Swedish National Inpatient Register and the Swedish Cancer Register during 1998-2015.

Hardell L, Carlberg M. · 2017

Swedish researchers analyzed brain tumor rates from 1998-2015 using two national health databases and found a concerning pattern: brain tumor rates increased by 2.06% annually overall, with the steepest increase of 4.24% per year after 2007. The 20-39 age group showed the highest increases, coinciding with widespread mobile phone adoption, and the researchers discovered that many brain tumors are likely being underreported to cancer registries.

Evaluation of Mobile Phone and Cordless Phone Use and Glioma Risk Using the Bradford Hill Viewpoints from 1965 on Association or Causation.

Carlberg M, Hardell L. · 2017

Researchers used a rigorous scientific framework to evaluate whether mobile and cordless phone use causes brain tumors called gliomas. They found that people with the highest phone use had a 90% increased risk of developing gliomas, with risk doubling for those using wireless phones for 20+ years. The study concluded that radiofrequency radiation from phones should be classified as a human carcinogen.

Exposure to a specific time-varying electromagnetic field inhibits cell proliferation via cAMP and ERK signaling in cancer cells.

Buckner CA, Buckner AL, Koren SA, Persinger MA, Lafrenie RM. · 2017

Researchers exposed multiple types of cancer cells to a specific low-frequency electromagnetic field pattern (25-6 Hz) for one hour daily and found it significantly slowed cancer cell growth without affecting healthy cells. The EMF exposure worked by altering specific cellular signaling pathways (cAMP and ERK) that control cell division. This suggests certain EMF patterns might have therapeutic potential for cancer treatment by selectively targeting malignant cells.

Power frequency magnetic field promotes a more malignant phenotype in neuroblastoma cells via redox-related mechanisms.

Falone S et al. · 2017

Researchers exposed human neuroblastoma cells (a type of brain cancer cell) to 50 Hz magnetic fields at levels similar to those found near power lines. The magnetic field exposure made the cancer cells grow faster and become more resistant to cancer treatment drugs by activating the cells' natural defense systems. This suggests that power-frequency magnetic fields might make certain brain cancers more aggressive and harder to treat.

A briefing memorandum: What we know, can infer, and don’t yet know about impacts from thermal and non-thermal non-ionizing radiation to birds and other wildlife — for public release

Manville, A. · 2016

This 2016 review examined two decades of research on mobile phone radiation and cancer risk. The analysis found significantly increased cancer rates in people using mobile phones for over 10 years, with brain tumors showing 1.3 to 6.1 times higher risk. People living near cell towers also showed elevated cancer rates compared to those in distant areas.

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.