July 21st, 2008 - 4:49 pm ICT by Amrit Rashmisrisethi  

Asthma causes swelling and inflammation that leads to the lungs. When asthma flares up, the airways tighten and become narrower. This keeps the air from passing through easily and makes it hard for you to breathe. These flare-ups are also called asthma attacks or exacerbations.

Asthma affects people in different ways. Some people only have asthma attacks during allergy season, or when they breathe in cold air, or when they exercise.

Many people with asthma live active, full lives. Even though asthma is a lifelong disease, treatment can control it and keep you healthy.

The cause of asthma , may be :

* Asthma runs in families.
* Asthma is much more common in people with allergies, though not everyone with allergies gets asthma. And not everyone with asthma has allergies.
* Pollution may cause asthma or make it worse.

Symptoms of asthma can be mild/ severe.

* Cough a lot.
* Feel short of breath.
* Have trouble sleeping because of coughing or having a hard time breathing.
* Quickly get tired during exercise.
* The symptoms could get worst at night.

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