Years of fine-particle pollution track with childhood ADHD rates across US counties
Air quality across the country has improved greatly over the decades, as shown in Environmental Protection Agency reports. These improvements are good news overall, but lingering effects of past air pollution still raise health concerns for many people. UT researchers Alex Bentley and Larisa Ozeryan

<p>Air quality across the country has improved greatly over the decades, as shown in Environmental Protection Agency reports. These improvements are good news overall, but lingering effects of past air pollution still raise health concerns for many people. UT researchers Alex Bentley and Larisa Ozeryan</p>