Asthma

Asthma is a condition that affects the airways. When a person with the condition comes into contact with an asthma trigger the muscle around the walls of the airways tightens so that the airway becomes narrower. The lining of the airways becomes inflamed and starts to swell. A sticky mucus or phlegm is often produced. These reactions cause the airways to become narrower and irritated - leading to the symptoms of asthma. Asthma cannot be cured, but it can be controlled so that attacks can be prevented. Most people with asthma who receive proper treatment, and take it correctly, can lead n...