Asthma Attacks
Internet URL
http://www.lungusa.org/site/pp.asp?c=dvLUK9O0E&b=22583 
Sponsoring Agency
Description
Doctors are not exactly certain how you get asthma. But they do know that once you have it, your lungs react to things that can start an asthma attack. This fact sheet describes three types of asthma attacks, including severe, moderate and mild, and the second wave.