Despite improvements in outdoor air quality, and despite the elimination of secondhand smoke via indoor smoking bans in some cities across the U.S., a new report released by the Centers for Disease Control and Prevention indicates that the number of people diagnosed with asthma in the U.S. increased by 4.3 million between 2001 and 2009. The increase occurred among all … [Read more...] about Asthma Rates Increase Despite Improvements in Outdoor Air Quality