Association between Diabetes and Asthma: Evidence from a Nationwide Korean Study

Asthma is a chronic inflammatory airway disease characterized by airway hyperresponsiveness and airway inflammation, resulting in bronchoconstriction, airway remodeling, and airway obstruction.1,2 It is a serious health issue world-wide, affecting more than 300 million individuals. The global prevalence of clinical asthma has increased during recent decades.3 Although the absolute prevalence of asthma in Korea is reported to be lower than that of other countries,4,5 the prevalence of asthma has been steadily increasing from 4.94% to 5.7% between 2006 and 2010.

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