What Is Asthma?

 

The lung disease that inflames and narrows the airways called Asthma .Asthma (AZ-ma) is a chronic (long-term) lung disease. Your airways are tubes that carry air in and out of your lungs In the case of Asthma when your airways react, they get narrower because the muscles around them tighten and the airways can close so much that your very important organs do not get sufficient oxygen. This can cause breathless, coughing, chest tightness and trouble breathing, especially early in the morning or at night. From severe asthma attacks, People can die.

People can affects by Asthma in any ages, but it mostly starts in childhood. In the United States, more than 22 million people are known to have asthma. Nearly 6 million of these people are children.

CAUSES OF ASTHMA

Many people think there is only one cause of asthma symptoms. But in fact, asthma symptoms have two main causes, and both take place inside the airways of your lungs:

 

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AIRWAY BLOCKAGE

In this case, you may feel as a tightening in your chest. The muscles around the airways of your lungs clutch together or tighten. This tightening is often called "bronchoconstriction," and it can make it hard for you to breathe well.

INFLAMMATION

If you have asthma, the airways of your lungs are always inflamed, and they become more swollen and irritated but you probably do not notice when your asthma symptoms get worse. Inflammation can reduce the amount of air that you can take in or breathe out. The swelling due to inflammation also causes that the cells in the airways may produce more mucus than usual. Mucus is a sticky, thick liquid that can further narrow your airways

In both, airway constriction and inflammation narrow your airways, which can result in wheezing, coughing, chest tightness, or shortness of breath-likely common feelings to you. And in people with Asthma, the airways may be inflamed even when they are not having symptoms.

There are a number of types of Asthma

ALLERGIC ASTHMA

NONALLERGIC ASTHMA

NOCTURNAL ASTHMA

ASTHMA IN PREGNANCY

OCCUPATIONAL ASTHMA

 


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