Utah study: Even slight bump in pollution affects young lungs

SALT LAKE CITY — The largest study of its kind tracked more than 100,000 Utah patients and found even a slight uptick in fine particulate pollution triggers childhood lung infections.Researchers at the University of Utah, Intermountain Healthcare and Brigham Young University spent 15 years studying 146,397 individuals treated for acute lower respiratory infection along the Wasatch Front."The most important finding of this study is that infectious processes of respiratory disease may be inf