Asthma, a chronic disease that inflames the airways and lungs, causing shortness of breath, wheezing and -- in extreme cases -- death, affects more than 5 percent of the American population. What's more, cases of asthma are increasing, increasing 74 percent since 1980, with no reduction in sight.
To view PDF files, you must install Adobe Acrobat Reader.
Other Web Resources
NOTE: NCSL provides links to other Web sites from time to time for information purposes only. Providing these links does not necessarily indicate NCSL's support or endorsement of the site.