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Smoke from LA fires exposed millions of people to high levels of toxic heavy metals, study says

Smoke from LA fires exposed millions of people to high levels of toxic heavy metals, study says
Photo: NewsChannel 5 WTVF (CBS affiliate) · view original

At the height of the Los Angeles fires in 2025, millions of residents were exposed in a 24-hour period to toxic lead levels from smoke that were 80 times higher than the typical background level, according to a new study. Researchers from the California Institute of Technology compared the chemic...

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