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Wildfire Smoke Linked to Increased Cancer Risk
21 Apr
Summary
- Wildfire smoke exposure may elevate cancer risk.
- Study links smoke to lung, colorectal, and breast cancers.
- Research involved over 91,000 participants followed long-term.
New research suggests that prolonged exposure to wildfire smoke could significantly increase the likelihood of developing various cancers. The findings were presented at an American Association for Cancer Research meeting on Tuesday, April 21, 2026.
The study, which has not yet undergone peer review, analyzed data from a long-term database encompassing over 91,000 individuals. It indicated that those exposed to higher concentrations of wildfire smoke over the preceding three years showed a heightened risk.
Specifically, the increased risk pertained to several cancer types, including lung, colorectal, breast, bladder, and blood cancers. This research highlights a potential public health concern associated with air quality during and after wildfire events.
