Friday, Jul 24, 2026 The claims desk. Receipts included. POWERED BY LENZ ↗
IsThis

HEALTH

The Claim

5G towers emit radiation that causes cancer in humans.

Verified by Lenz ·

The Short Version

This claim is false. The overwhelming scientific consensus — from the WHO, National Cancer Institute, Health Canada, American Cancer Society, Cancer Research UK, and multiple peer-reviewed reviews — is that no causal link exists between 5G tower radiation and cancer. 5G frequencies are non-ionizing and physically too weak to damage DNA. The most recent large-scale study (February 2026) also found no link. While some research gaps remain, no credible evidence supports the definitive causal claim that 5G towers cause cancer in humans.

Caveats

  • The IARC Group 2B 'possibly carcinogenic' classification applies to RF-EMF broadly based on older mobile phone studies — it is a precautionary placeholder, not a confirmed finding of causation, and does not apply specifically to 5G towers.
  • Absence of proof of safety is not the same as proof of harm — research gaps at specific 5G frequencies do not constitute evidence that 5G causes cancer.
  • Some minority scientific voices advocate for stronger precautionary measures, but these represent a fringe position not endorsed by any major health authority.

The Receipts

  1. Radiation: 5G mobile networks and health

    World Health Organization (WHO)

  2. Cell Phones and Cancer Risk Fact Sheet - NCI

    National Cancer Institute (NCI)

  3. 5G technology, cell phones, cell phone towers and antennas - Canada.ca

    Canada.ca

  4. Do Cell Phone Towers Cause Cancer? | American Cancer Society

    American Cancer Society

  5. The WHO-commissioned systematic reviews on health effects of radiofrequency radiation provide no assurance of safety - PMC

    PubMed Central

  6. 5G mobile networks and health—a state-of-the-science review of the research into low-level RF fields above 6 GHz - PubMed

    PubMed Central

  7. 5G mobile networks and health-a state-of-the-science review of the research into low-level RF fields above 6 GHz - PubMed

    PubMed

  8. 5G Wireless Communication and Health Effects—A Pragmatic Review Based on Available Studies Regarding 6 to 100 GHz - PMC

    PMC

  9. Health risks from radiofrequency radiation, including 5G, should be assessed by experts with no conflicts of interest - PMC

    PMC

  10. Massive international study finds no link between mobile phone radiation and cancer

    Wikimedia Commons (reporting on study)

+ 11 more sources — see the full list on Lenz

Filed Under

5G cellular networkInternational Agency for Research on Cancerradiofrequency radiationWorld Health Organization

More Fact Checks