{"id":13409,"date":"2026-05-14T23:48:53","date_gmt":"2026-05-14T22:48:53","guid":{"rendered":"https:\/\/esc-info.eu\/?p=13409"},"modified":"2026-05-15T00:18:23","modified_gmt":"2026-05-14T23:18:23","slug":"fact-sheet-on-magnetic-fields-and-health","status":"publish","type":"post","link":"https:\/\/esc-info.eu\/cs\/fact-sheet-on-magnetic-fields-and-health\/","title":{"rendered":"Fact Sheet on Magnetic Fields and Health"},"content":{"rendered":"\n<p>Exposure to magnetic fields at elevated levels may, according to research, cause a range of harmful health effects, including an increased risk of cancer and Alzheimer\u2019s disease. The risks increase at levels from approximately 0.2\u20130.4 microtesla. Current safety limits recommended by the EU are 100 microtesla for the general public. They protect only against immediate effects.<\/p>\n\n\n\n<p>Elevated alternating magnetic fields occur, for example, near power lines, railway tracks, transformer stations, electrical wiring, and electrical appliances. Elevated magnetic fields are also present in various vehicles, on trains, and are emitted by mobile phones, wireless headphones, computers, and more. Stray currents in multi-dwelling buildings in urban areas are also a common cause of elevated magnetic fields.<\/p>\n\n\n\n<p>This article was written by the <a href=\"https:\/\/www.stralskyddsstiftelsen.se\/magnetfalt\/\">Swedish Radiation Protection Foundation<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What Does Research Show About Health Risks?<\/strong><\/h2>\n\n\n\n<p>For several decades, research has reported that exposure to elevated magnetic fields increases the risk of:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>childhood leukemia<\/li>\n\n\n\n<li>adult cancers<\/li>\n\n\n\n<li>Alzheimer\u2019s disease<\/li>\n\n\n\n<li>dementia<\/li>\n\n\n\n<li>miscarriage<\/li>\n\n\n\n<li>brain tumors in both adults and children<\/li>\n<\/ul>\n\n\n\n<p>Animal and cellular studies have shown harmful effects on the brain, oxidative stress in cells, and DNA damage, among other outcomes.<\/p>\n\n\n\n<p>According to a compilation by Professor Henry Lai (USA, December 2025)<sup>1<\/sup>, research on the effects of low-frequency magnetic fields since 1990 shows:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Oxidative stress:<\/strong> 91% (313 of 345 studies) show significant effects<\/li>\n\n\n\n<li><strong>Genetic effects:<\/strong> 83% (342 of 411 studies) show significant effects<\/li>\n\n\n\n<li><strong>Neurological effects:<\/strong> 91% (352 of 385 studies) show significant effects<\/li>\n\n\n\n<li><strong>Fertility and development:<\/strong> 78% (81 of 104 studies) show significant effects<\/li>\n<\/ul>\n\n\n\n<p>In 2002, the WHO\u2019s cancer research agency, International Agency for Research on Cancer, classified low-frequency magnetic fields as <strong><em>\u201cpossibly carcinogenic\u201d<\/em> (Group 2B)<\/strong>. This classification was primarily based on repeated studies showing an increased risk of childhood leukemia associated with magnetic fields near power lines.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>What Levels Are Recommended?<\/strong><\/h2>\n\n\n\n<p>The ICNIRP and the EU Commission has recommended a level of <strong>100 microtesla (<\/strong><strong>\u03bc<\/strong><strong>T)<\/strong> as the maximum level considered safe for the public, including children. However, this level only protects against immediate nerve stimulation effects.<\/p>\n\n\n\n<p>For occupational exposure, the reference value is <strong>200 microtesla<\/strong>, and for trains <strong>300 microtesla<\/strong>.<\/p>\n\n\n\n<p>However, researchers have repeatedly reported increased risks of serious diseases\u2014such as cancer, ALS, and Alzheimer\u2019s\u2014at levels starting from <strong>0.2 microtesla<\/strong>, which is far below the ICNIRP and EU limits.<\/p>\n\n\n\n<p>Other researchers and experts therefore recommend significantly lower maximum levels:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>EuropaAM EMF Guidelines 2016<sup>2<\/sup>: 0.1 \u03bcT (0.03 \u03bcT for particularly sensitive individuals)<\/li>\n\n\n\n<li>BioInitiative Report 2012<sup>3<\/sup>: 0.1 \u03bcT<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Research on Health Effects of Magnetic Fields<\/strong><\/h2>\n\n\n\n<p>Below are examples of research findings:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Childhood Leukemia<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>1993 (Sweden):<\/strong> Increased risk above 0.2 \u03bcT<sup>4<\/sup><\/li>\n\n\n\n<li><strong>2014:<\/strong> Meta-analysis (9 studies) shows increased risk from power line exposure.<sup>5<\/sup><\/li>\n\n\n\n<li><strong>2021:<\/strong> Meta-analysis (30 studies) confirms increased risk.<sup>6<\/sup><\/li>\n\n\n\n<li><strong>2022:<\/strong> Systematic review and meta-analysis confirm increased risk.<sup>7<\/sup><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Brain Tumors<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>2011:<\/strong> Increased risk of meningioma among people living within 100 m of power lines or occupationally exposed<sup>8<\/sup><\/li>\n\n\n\n<li><strong>2020:<\/strong> Increased risk among residents within 50 m of power lines<sup>9<\/sup><\/li>\n\n\n\n<li><strong>2025:<\/strong> Increased risk in children exposed to \u22650.4 \u03bcT<sup>10<\/sup><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Other Cancers<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>1995 (Sweden):<\/strong> Increased leukemia risk in adults at \u22650.2 \u03bcT<sup>11<\/sup><\/li>\n\n\n\n<li><strong>2011:<\/strong> Meta-analysis shows increased risk of acute myeloid leukemia (AML) at \u22652 \u03bcT<sup>12<\/sup><\/li>\n\n\n\n<li><strong>2018:<\/strong> Increased leukemia risk with long-term occupational exposure<sup>13<\/sup><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Alzheimer\u2019s Disease and Dementia<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>2018:<\/strong> Meta-analysis (20 studies) shows a <strong>63% increased risk<\/strong> with occupational exposure.<sup>14<\/sup><\/li>\n\n\n\n<li><strong>2026:<\/strong> Large Swiss cohort study (~3.5 million individuals) shows increased risk from residential exposure near power lines.<sup>15<\/sup><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>ALS (Amyotrophic Lateral Sclerosis)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>2015:<\/strong> Increased risk with long-term occupational exposure<sup>16<\/sup><\/li>\n\n\n\n<li><strong>2020:<\/strong> Meta-analysis (27 studies) confirms increased risk.<sup>17<\/sup><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Miscarriage<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>2023:<\/strong> Meta-analysis (>900 studies) shows increased risk associated with EMF exposure (including mobile base stations and phones).<sup>18<\/sup><\/li>\n\n\n\n<li><strong>2017:<\/strong> Cohort study (913 women) shows increased risk (2.27 times higher) at exposure >0.25 \u03bcT.<sup>19<\/sup><\/li>\n<\/ul>\n\n\n\n<p><strong>REFERENCES<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.saferemr.com\/2018\/02\/effects-of-exposure-to-electromagnetic.htm\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.saferemr.com\/2018\/02\/effects-of-exposure-to-electromagnetic.htm<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.stralskyddsstiftelsen.se\/wp-content\/uploads\/2016\/07\/EUROPAEM-EMF-Guideline-2016-for-the-prevention-diagnosis-and-treatment-of-EMF-related-health-problems-and-illnesses.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.stralskyddsstiftelsen.se\/wp-content\/uploads\/2016\/07\/EUROPAEM-EMF-Guideline-2016-for-the-prevention-diagnosis-and-treatment-of-EMF-related-health-problems-and-illnesses.pdf<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/bioinitiative.org\/conclusions\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/bioinitiative.org\/conclusions\/<\/a><\/li>\n\n\n\n<li>Feychting M, Ahlbom A. Magnetic fields and cancer in children residing near Swedish high-voltage power lines. Am J Epidemiol. 1993<\/li>\n\n\n\n<li>Zhao L et al. Magnetic fields exposure and childhood leukemia risk: a meta-analysis based on 11,699 cases and 13,194 controls. Leuk Res. 2014.<\/li>\n\n\n\n<li>Seomun G et al.. Exposure to extremely low-frequency magnetic fields and childhood cancer: A systematic review and meta-analysis. PLoS One. 2021<\/li>\n\n\n\n<li>Brabant C et al.. Exposure to magnetic fields and childhood leukemia: a systematic review and meta-analysis of case-control and cohort studies. Rev Environ Health. 2022<\/li>\n\n\n\n<li>Baldi I et al. . Occupational and residential exposure to electromagnetic fields and risk of brain tumors in adults: a case-control study in Gironde, France. Int J Cancer. 2011<\/li>\n\n\n\n<li>Carles C et al. Residential proximity to power lines and risk of brain tumor in the general population. Environ Res. 2020<\/li>\n\n\n\n<li>Correa-Correa V et al. Extremely low-frequency magnetic fields (ELF-MF) and radiofrequency: Risk of childhood CNS tumors in a city with elevated ELF-MF exposure. Environ Res. 2025<\/li>\n\n\n\n<li>Feychting M et al. Occupational and residential magnetic field exposure and leukemia and central nervous system tumors. Epidemiology. 1997<\/li>\n\n\n\n<li>Wang X et al. [Occupational and residential exposure to electric and magnetic field and its relationship on acute myeloid leukemia in adults &#8211; A Meta-analysis]. Zhonghua Liu Xing Bing Xue Za Zhi. 2011<\/li>\n\n\n\n<li>Huss A. Swiss National Cohort. Occupational extremely low frequency magnetic fields (ELF-MF) exposure and hematolymphopoietic cancers &#8211; Swiss National Cohort analysis and updated meta-analysis. Environ Res. 2018<\/li>\n\n\n\n<li>Jailian H et al. Occupational exposure to extremely low frequency magnetic fields and risk of Alzheimer disease: A systematic review and meta-analysis, 2018<\/li>\n\n\n\n<li>Sandoval-Diez et al. Long-term residential magnetic field exposure and neurodegenerative disease mortality: An 18-year nationwide cohort study in Switzerland, 2026.<\/li>\n\n\n\n<li>Huss A. et al Swiss National Cohort. Occupational exposure to magnetic fields and electric shocks and risk of ALS: the Swiss National Cohort. Amyotroph Lateral Scler Frontotemporal Degener. 2015<\/li>\n\n\n\n<li>Jalilian H. et al. Amyotrophic lateral sclerosis, occupational exposure to extremely low frequency magnetic fields and electric shocks: a systematic review and meta-analysis. Rev Environ Health. 2020<\/li>\n\n\n\n<li>Irani M et al. Electromagnetic Field Exposure and Abortion in Pregnant Women: A Systematic Review and Meta-Analysis. Malays J Med Sci. 2023.<\/li>\n\n\n\n<li>Li DK et al. Exposure to Magnetic Field Non-Ionizing Radiation and the Risk of Miscarriage: A Prospective Cohort Study. Sci Rep. 2017.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>Exposure to elevated magnetic fields may increase the risk of cancer and Alzheimer&#8217;s disease. Such fields are found near power lines, railways, transformers, wiring, and appliances, as well as in vehicles, trains, and devices like mobile phones and computers.<\/p>\n","protected":false},"author":2,"featured_media":13412,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[124],"tags":[],"class_list":["post-13409","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-from-esc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fact Sheet on Magnetic Fields and Health<\/title>\n<meta name=\"description\" content=\"Exposure to elevated magnetic fields may increase the risk of cancer and Alzheimer&#039;s disease. 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