1. Asthma

2. What is it?
Asthma is very common chronic lung disease amongst children, teens and adults. It’s a disease that inflames and causes the airways to the lungs to tighten which stops the lungs getting enough air to breathe. It is most common in children, in America there are 22 million people known to have asthma 6 million of these are children

3. Symptoms
There are many symptoms of asthma such as wheezing, chest tightens, shortness of breath and coughing. To prevent these symptoms they have invented many cures such as inhalers which relax the airways muscle

4. What causes Asthma
No one knows exactly what causes asthma it is not fully understood. Possible factors could include diet, climate, genetic factors and many more. Things that could cause inflammation include pollens, dust, animals, cockroaches, second hand smoking and much more. There are many things you can do to stop these with today's technology there are things such as asthma inhalers that control asthma

5. bibliography
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