As you know, having asthma can make it hard to breathe at times. But do you know what is going on in your lungs when breathing becomes hard?

Understanding how asthma causes changes in your lungs, why these changes take place and the early signs of an asthma attack are the first step to making informed decisions about symptoms, and how to treat them.

Asthmatic Lungs

Things to Understand about Asthma

Controlling Asthma

Children and Asthma

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