The first good thing you can do for your lungs is to think differently about your asthma and the impact it has on your lungs and life. This Web site will help you learn information that may be new to you and could change the way you think about asthma. Understanding that asthma can impact your lungs, even when you feel fine, can help you take steps to gain more control over asthma. When your asthma is under control, you should be able to do more of the things you want to do without worrying about your asthma.