Smoke from the massive wildfires still burning in northern Canada has cast a pall over much of North America this summer, leading to health concerns for older people and those with chronic respiratory conditions.
Campen said the findings are concerning given how many people are now regularly exposed to wildfire smoke.
"Neuroinflammation is the seed for all sorts of bad things in the brain, including dementia, Alzheimer's disease—the buildup of the plaques—but also alterations in neurodevelopment in early life and mood disorders throughout life," he said."If you're a firefighter, or if you're just a citizen in a community that has had some of these dramatic smoke exposures, you could be having neurocognitive or mood disorders weeks or months or weeks after the event.
With heavy concentrations of wildfire smoke, people should remain inside if they can, Campen said."Houses have varying penetrance of particulates. If you've got an evaporative cooler, you're just being exposed to the outdoor air, but a lot of houses will be much more protective." N-95 masks offer protection to those who venture outside, he added.seems capable of adapting to chronic particulate exposure to an extent, Campen said.
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