By Tasha Cook
http://stream.publicbroadcasting.net/production/mp3/kuer/local-kuer-600802.mp3
Salt Lake City, UT – Asthma is one of Utah's most persistent and troubling health problems, especially for children. Air pollution is widely blamed for this respiratory ailmnent. But it's more complicated than that. Health researchers are now looking at the complex interplay between genetics and the environment. KUER's Tasha Cook reports.