The Health Effects of Long-Term Radon Exposure

According to the EPA, long-term radon exposure is the second leading cause of lung cancer in the United States overall, and the leading cause of lung cancer among people who have never smoked. This isn't a minor or speculative health concern — it's a well-documented risk based on decades of research into radon exposure and lung cancer incidence.

How Radon Affects Your Health

The mechanism is straightforward: radon is a radioactive gas, and when it's inhaled, it can damage lung tissue over time.

Unlike many environmental exposures, there isn't a specific short-term symptom to watch for — radon exposure doesn't cause immediate, noticeable effects. The health risk accumulates from exposure over months and years, which is part of why it's easy to underestimate: there's no moment where you'd feel something and think to investigate.

Why Long-Term Exposure Matters

Risk generally scales with both the concentration of radon and the duration of exposure — higher levels and longer exposure periods both increase risk, which is one reason the EPA's guidance emphasizes addressing elevated levels rather than treating any single number as an absolute cutoff between "safe" and "dangerous."

The Good News About Radon

The genuinely good news is that this is one of the more manageable indoor health risks that exists, specifically because testing is simple and mitigation (when needed) is a well-established, effective solution.

Unlike some risks you can't do much about, radon is both measurable and addressable.

Schedule a radon or mold test today with DezAir Quality Testing online at dezairqualitytesting.com.