A new study links air pollution with Alzheimer’s

Environmental Protection Agency regulations have decreased pollutants we breathe. All the progress is about to be lost.

The Trump administration wants to lessen the Environmental Protection Agency's air quality standards. But a new working paper by economics professors stresses why that's a bad idea.

On Slate Sept. 4, 2018:

In a wryly titled working paper put out last month, “Hazed and Confused,” researchers from Arizona State University found that increased, incremental exposure to fine particle pollution over the course of a decade increases the chances of a dementia diagnoses by 1.3 percentage points. The pollutants they studied are known as PM2.5 for their small size — invisible fragments are thrown off by fields, factories, and fires that easily make their way into our lungs and correlate more closely with health effects than any other common pollutant.