Understanding Asthma: Mild, Moderate, and Severe 

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Asthma is a chronic (long lasting) lung condition that causes coughing, wheezing, and breathing problems. It happens when inflammation and changes in the lungs reduce the flow of oxygen into the blood, making it hard to breathe. Watch this animation to learn about the common causes, symptoms, medicines, as well as the different types of asthma: mild, moderate and severe.
0:00 Introduction
0:11 What is asthma?
0:29 Asthma can be a serious condition
0:46 Causes of asthma
1:05 Symptoms of asthma
1:29 How do lungs normally work?
1:45 How asthma affects your lungs
2:10 Signs of severe asthma
2:49 Types of severe asthma
3:17 What is an asthma flare?
3:38 Types of asthma medicine
4:45 Will my severe asthma get worse or go away?
5:07 Controlling severe asthma every day