Understanding What Is Asthma and It’s Triggers

Asthma is a chronic (long Term) lung disease that inflames and narrows the airway. Nearly 300 million people were affected worldwide and about 20 million of people suffer in USA suffer from asthma. In 2009 asthma caused 250,000 deaths globally. Asthma affects people of all ages, but it most often starts during childhood. In the United States, more than 22 million people are known to have asthma. Nearly 6 million of these people are children.

Asthma affects people of all ages but it most start during childhood. People who suffer from asthma usually have the following symptoms; breathing problems, wheezing, chest tightness, coughing, allergies to dust and strong smell, coughing and also react very quickly to climate changes. Though the reasons have not been confirmed yet, it looks like both genetic and environmental factors contribute to this condition. One should also understand that the symptoms of Asthma differ from person to person. Similarly the intensity of the symptoms will also vary.

Asthma is classified into two types broadly; Atopic or extrinsic and non-atopic or intrinsic. The symptoms are usually caused or aggravated by allergens. People having extrinsic asthma get wheezing attacks rapidly as soon as they come in contact with the allergens that cause allergy or induce inflammation. The other type, intrinsic asthma or non-atopic is not induced or aggravated by external allergens.

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