People in Southern California with relatively high exposures to wildfire smoke over a decade also had significantly higher risks for dementia, a new study warns.

In parts of the western United States, wildfire smoke is responsible for as much as half of all particulate matter pollution.

Exposure to the tiny pollutants emitted by wildfires may be increasing the older adult population’s odds of dementia diagnosis, a new study has found. Among more than 1.2 million people tracked