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What is asthma?
The actual word asthma comes from the Greek azein meaning to breathe hard. It is an intermittent disease unlike chronic conditions such as cystic fibrosis, chronic bronchitis or emphysema.
The bronchial tubes in the lungs are made of muscle and a mucus membrane. During an asthma attack this mucus membrane becomes inflamed and swollen causing the muscles to contract and create spasms. Air movement is restricted and as it tries to escape from the bronchi it causes the wheezing which is the most common symptom of asthma.
Attacks vary in severity but they can easily spiral out of control, particularly in young children who are more inclined to panic. If the attack is not controlled either by medication or relaxation techniques there is a danger that the airways will close completely cutting off the supply of oxygen to the major organs and the rest of the body.
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