This lung disease is caused by a narrowing of the airways that lead in and
out of the lungs. The narrowing can be caused by swelling of the airways or
by muscles tightening around your airways. Either way, this narrowing of your
airways makes it very hard for you to breathe.
There are many irritants that can cause your airways to narrow. The causes differ depending on the type of asthma you have; allergic or non-allergic asthma.
Allergic asthma usually begins in people under the age of 35. If you have allergic
asthma, here are some of the things that can irritate your asthma.
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Cardiorespiratory Conditions
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