Asthma is the leading serious chronic illness of children in the U.S. In 2006, an estimated 6.8 million children under age 18 (almost 1.2 million under age 5) currently had asthma, 4.1 million of which had an asthma attack, and many others have "hidden" or undiagnosed asthma.
For more informatio, visit the American Lung Association site. Click here to read the article.