The worsening of asthma due to outdoor pollutants may occur for a number of reasons. For example, many of these pollutants are irritants, and so exposure to SO, and NO, may induce an acute narrowing of the airway. Associated with this is breathing difficulty, while exposure to ozone causes coughing and an inability to breathe deeply, which again leads to the sensation of breathlessness.
Tag Archive: air pollutants
Permanent link to this article: http://www.explainstuff.com/2010/07/14/outdoor-air-pollution-and-allergy/