Which age groups have the highest prevalence of asthma?

Updated: Nov 20, 2020
  • Author: Michael J Morris, MD, FACP, FCCP; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Asthma prevalence is increased in very young persons and very old persons because of airway responsiveness and lower levels of lung function. [33] Two thirds of all asthma cases are diagnosed before the patient is aged 18 years. Approximately half of all children diagnosed with asthma have a decrease or disappearance of symptoms by early adulthood. [34]

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