width="280"Asthma is a chronic disease that causes airways – the tubes that carry air in and out of the lungs – are made aware and swell. In the United States, approximately 20 million people suffer from asthma. Nearly 9 million of them are children. Children have smaller airways than adults, which makes asthma is particularly serious in them. Children with asthma can breathe wheezing, coughing, chest tightness and difficulty, especially early in the morning or at night.

Many things can trigger asthma, including:

* Allergens: mold, pollen, animal
* Irritants: Cigarette smoke, air pollution
* Weather: cold air, climate change
* Exercise
* Infections: flu, common cold

When asthma symptoms become worse, there is an asthma attack. Asthma is treated with two types of drugs for quick relief medicines and stop asthma symptoms and medication to control it long term to prevent the onset of symptoms.

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