Asthma Cases Continue to Rise in the U.S., Affecting Millions

Asthma continues to take its toll on Americans, with almost 19 million adults (8.2 percent) suffering from the disorder in 2010, according to a report released Tuesday by the U.S. Centers for Disease Control and Prevention.  The CDC analysis also found that more than 29 million (almost 13 percent) of adults have been diagnosed with the illness at some point in their lifetime. Read more.