Asthma

LA story: Cleaner air, healthier kids

A 20-year study finds that millennial children in Southern California breathe easier than ones who came of age in the '90s, for a reason as clear as the air in Los Angeles today.

Mar 04, 2015
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Make your diet anti-inflammatory with a few easy changes

Use your search engine or explore a local bookstore, and you'll find a wide variety of anti-inflammatory diet books. This eating approach is promoted to reduce everything from heart disease to asthma, and often requires you ...

Mar 04, 2015
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Marijuana: The allergen you never knew existed

Growing up, you may have been given reasons for not smoking marijuana. What you may not have heard is that marijuana, like other pollen-bearing plants, is an allergen which can cause allergic responses.

Mar 03, 2015
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Crohn's disease not exempt from racial disparities

A study published recently in the IBD Journal found significant differences in hospital readmissions, medication usage, and both medical and surgical complications of children with Crohn's disease related to race. In the ...

Feb 27, 2015
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Asthma (from the Greek άσθμα, ásthma, "panting") is the common chronic inflammatory disease of the airways characterized by variable and recurring symptoms, reversible airflow obstruction, and bronchospasm. Symptoms include wheezing, coughing, chest tightness, and shortness of breath. Asthma is clinically classified according to the frequency of symptoms, forced expiratory volume in 1 second (FEV1), and peak expiratory flow rate. Asthma may also be classified as atopic (extrinsic) or non-atopic (intrinsic).

It is thought to be caused by a combination of genetic and environmental factors. Treatment of acute symptoms is usually with an inhaled short-acting beta-2 agonist (such as salbutamol). Symptoms can be prevented by avoiding triggers, such as allergens and irritants, and by inhaling corticosteroids. Leukotriene antagonists are less effective than corticosteroids and thus less preferred.

Its diagnosis is usually made based on the pattern of symptoms and/or response to therapy over time. The prevalence of asthma has increased significantly since the 1970s. As of 2010, 300 million people were affected worldwide. In 2009 asthma caused 250,000 deaths globally. Despite this, with proper control of asthma with step down therapy, prognosis is generally good.

This text uses material from Wikipedia licensed under CC BY-SA

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