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Electromagnetic radiation from power lines linked to a higher risk of central nervous system tumors in children

25 September 2026 at 14:15


A recent study published in Environmental Research reported an association between exposure to electromagnetic radiation in Mexico City — particularly the extremely low frequency magnetic fields (ELF-MF) produced by power lines and household wiring — and children’s risk for developing central nervous system (CNS) tumors.


In short:

  • Residential exposure to ELF-MF (measured in bedrooms) above 0.4 μT was significantly associated with an increased risk of developing CNS tumors.
  • Prolonged use of a digital tablet (both with and without internet connection) also increased CNS tumor risk, particularly in children ages 6 - 10.
  • More than 5% of children in Mexico City were exposed to ELF-MF levels above 0.3 μT, higher than the global average for exposure.


Why this matters:

Everyday exposure to electromagnetic (EMF) radiation — emitted from power lines and electrical grid infrastructure like substations as well as everyday electronics such laptops, tablets and their charging systems — is steadily increasing in the modern world. While the public has some awareness that homes near high voltage powerlines create EMF exposure, fewer are aware that electronics like tablets, laptops, and phones also create EMF exposures in the body, especially when they are charging.

This study adds to the ever-growing body of science pointing to health risks from EMF exposure. The International Agency for Research on Cancer of the World Health Organization classified ELF-EMF magnetic fields as a “possible” human carcinogen in 2001, based largely on evidence linking residential exposure of 0.3 to 0.4 μT to childhood leukemia. More recent studies continue to show the association. Further, Kaiser Permanente studies report that prenatal ELF-EMF exposure was associated with increased miscarriage risk and also ADHD, obesity, and asthma in children. A review found industry-funded studies more often report “no effect.” When this bias is accounted for, strong evidence links EMF magnetic field exposure to adult leukemia, brain, and breast cancer.


What you can do: On an individual level, you can easily reduce your daily exposures:

  • Relocate beds away from electrical panels
  • Use tablets and laptops on tables, not on laps
  • Charge phones and devices outside of the bedroom, not by the bed
  • Do not use a cell phone while it's charging
  • Unplug water beds and electric blankets before you get in bed

You can also measure the levels in your home with a basic milligauss meter in order to understand the EMF levels in your home.

Many countries limit ELF-MF exposure in homes and schools due to associations with childhood cancer. The Netherlands, as an example, is buying up homes with elevated levels from powerlines and substations. However, the U.S. has no federal safety limits, as the U.S. Environmental Protection Agency was defunded from EMF research in the 1990s. From a policy perspective, individuals can contact school boards, planning commissions, and utility regulators to request EMF measurements and advocate for risk mitigation siting policies for new schools, childcare centers, and residential developments.


Related EHN coverage:


More resources:

Correa‐Correa, Víctor et al. (2025). Extremely low-frequency magnetic fields (ELF-MF) and radiofrequency: Risk of childhood CNS tumors in a city with elevated ELF-MF exposure. Environmental Research



Electromagnetic radiation from power lines linked to a higher risk of central nervous system tumors in children See more resources at ehsciences.org

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The myriad horrors of the US healthcare system have spawned generations of medical tourism from the wealthiest country on Earth to the periphery: Cuba, Mexico, Costa Rica, Canada, Turkey, and Thailand, to name just a few.

Now, Shanghai is quickly rising as one of the top destinations for cancer patients, as China’s biotech sector has spun an experimental treatment developed in the US into a standalone industry.

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More on healthcare: Bougie Health Startups Offering Full-Body Diagnostic Scans for Rich People While the Rest of Us Suffer a Crumbling Healthcare System

The post America’s Health Care System Is So Screwed That Patients Are Flying to China for Cancer Treatment appeared first on Futurism.

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