Systematic review suggests long-term exposure to air pollutants increases brain tumor risk, highlighting the need for further research.
This systematic review and meta-analysis provides suggestive evidence that long-term exposure to traffic-related air pollutants may be associated with a modestly increased risk of brain tumors. While results are not conclusive, the widespread exposure to these pollutants and the observed trends underscore the importance of further research using refined exposure assessments and tumor subtype-specific analyses.
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Hashim et al. (2026) studied this question.
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