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A new report from the Asthma and Allergy Foundation of America ranked cities by asthma prevalence, ER visits and asthma-related deaths. Asthma Cases Are Getting More Severe In The U.S. Skip to ...
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Studies have linked air pollution to more intense symptoms, and, unfortunately, air pollution is getting worse, thanks to factors like forest fires and higher temperatures, which lead to smog.
Childhood asthma prevalence was found to be higher than 15 percent in a majority of Latin American countries. [31] Similarly, a study published relating to asthma prevalence in Havana, Cuba estimated that approximately 9 percent of children under the age of 15 are undiagnosed for asthma, possible due to lack of resources in the region. [30]
However, while attenuating chronic airway inflammation using inhaled corticosteroids is effective at preventing asthma exacerbations, it does not seem to impact the progression of airway remodelling. [ 1 ] [ 2 ] Also, as mentioned, airway remodelling may be seen as soon as at 2 years of age, before any airway inflammation is detectable. [ 1 ]
ACO presents with symptoms of both asthma and COPD. [1] ACO presents in adulthood, usually after the age of 40 (after there has been significant tobacco smoke or other toxic fumes exposure), with symptoms of dyspnea (shortness of breath), exercise intolerance, sputum production, cough and episodes of symptomatic worsening known as exacerbations.