
Washington: Allergic asthma, which is characterized by wheezing and breathing difficulties triggered by inhaled allergens such as pollen, mould, and pet dander, is the most common chronic disease among children, and it can persist into adulthood.

Washington: Allergic asthma, which is characterized by wheezing and breathing difficulties triggered by inhaled allergens such as pollen, mould, and pet dander, is the most common chronic disease among children, and it can persist into adulthood.