Indoor radon exposure linked to altered brain development in youth
by Karina Petrova June 25, 2026
Source: https:// www. psypost. org / indoor‐radon‐exposure‐linked‐to‐altered‐brain‐development‐in‐youth
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Children continuously exposed to higher levels of naturally occurring radon gas in their homes may experience changes in how their brains develop key attention and problemsolving skills. A recent study published in NeuroImage found that youths with greater chronic radon exposure showed altered brain wave patterns when completing tasks that require high levels of focus. These electrical alterations also influenced how accurately the children performed behavioral tasks, suggesting that typical brain maturation could be disrupted by the common environmental toxin.
Radon is a colorless, odorless gas produced by the natural breakdown of radioactive materials in the earth. It is well known as a leading cause of lung cancer, but its potential impact on brain development remains largely unexplored. Because radon often seeps into homes and accumulates over time, children are particularly vulnerable to its effects as their brains are still undergoing critical growth phases.
Despite its prevalence, public awareness regarding the risks of indoor radon remains relatively low. Estimates suggest that one in fifteen homes within the United States has an indoor radon concentration that exceeds the action limits recommended by the Environmental Protection Agency. Many families never test their residences for the invisible gas.