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Tracing Long-Term Radon Gas Exposure With… Toenails?

The surprising biological archive of past radon gas exposure that may help improve lung cancer screening

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5 Key Takeaways

  • 1

    Toenail clippings can reveal long-term radon exposure.

  • 2

    The study uses ICP-MS to analyze radioactive lead isotopes.

  • 3

    Radon is a leading cause of lung cancer, especially for non-smokers.

  • 4

    The research may redefine lung cancer screening criteria.

  • 5

    The team is conducting trials to validate their findings across Canada.

Original Source(s)

Tracing Long-Term Radon Gas Exposure With… Toenails?

The surprising biological archive of past radon gas exposure that may help improve lung cancer screening

  • by Henry Thomas

  • November 26, 2025

  • 9 min

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