Credit: Shaun/Stock

A growing body of evidence suggests pollution can do a number on the brain. The July/August Mother Jones cover story chronicled the research connecting neurodegenerative diseases like Alzheimer’s and Parkinson’s to the dirty air we breathe; studies have found that pollution may also age the brain prematurely. And according to new research from the University of Texas-El Paso, pollution’s damage to the brain may start even sooner than was previously thought: Fourth and fifth graders exposed to exhaust emissions, researchers found, don’t do as well in school as their peers who breathe cleaner air.

Using the Environmental Protection Agency’s National Air Toxics Assessment, researchers estimated how often children were exposed to air pollution in their homes. They then compared that data with the academic performance of close to 1,900 kids enrolled in the El Paso Independent School District (EPISD)—an area prone to high levels of pollution.

Adjusting for other factors […]