Wildfire smoke may be worse for brain health than other types of air pollution, according to new research linking it to an increased risk of dementia. The findings, reported Monday at the Alzheimer’s Association International Conference in Philadelphia, come as millions spent the weekend under air quality warnings from wildfires spewing smoke across the western […] Wildfire smoke may be worse for brain health than other types of air pollution, according to new research linking it to an increased risk of dementia.