Wildfire smoke health risksWhile people respond differently to smoke, it adds that those with lung disease or heart disease, older adults, children, pregnant people, and people who work outdoors face greater risks to their health.
PM2.5 is the by-product of the smoke emitted by wildfires — fine particles of matter with a size of 2.5 microns or less. You could fit about 30 of them across the width of a hair.. At that size, it can also pass into the blood, causing a system-wide inflammation that can exacerbate heart conditions and potentially cause cancers.
There are fewer studies on the long term impact, but the knowledge around air pollution can be applied to smoke, Dr. Samantha Green, a physician at Toronto’s Unity Health, said. “There is also similarly an increased risk of Parkinson’s disease from long term exposure to air pollution, and increased risk even of ALS,” Green continued.
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