What is asthma? Asthma or allergic bronchitis (asthma) is a type of respiratory disease, which is caused by a malfunction of the bronchial tubes. When is causing irritation or allergic reactions, Bronchial narrowing tons will occur. The air enters the lungs, making breathing difficult less tired and suffocate. And when the body is responding to reaction allergy substances around us or any stimulants cause allergic reactions may also occur in this manner until the symptoms are muscle bronchi contracted.
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