Articles on Environmental toxicology

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Fine particulate matter from wildfires can cause long-term health harms. Gary Hershorn/Getty Images

How researchers measure wildfire smoke exposure doesn’t capture long‑term health effects − and hides racial disparities

Which is riskier for your health: a few days of very bad PM₂.₅ exposure or many more days of slightly bad exposure? Researchers developed new metrics to provide better answers.

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