Asthma is a chronic inflammation of the lung airways that causes coughing, chest tightness, wheezing or shortness of breath. Asthma prevalence is higher in children ( percent) than in adults ( percent), and higher in females ( percent) than males ( percent).
Asthma is a chronic lung disease that makes it harder to move air into and out of your lungs. Certain exposures to asthma triggers can cause asthma flare-ups. Current asthma prevalence in adults ranged from percent in South Dakota to percent in Maine.
This is percent of adults and percent of children. Asthma has been increasing since the early s in all age, sex and racial groups.2; Asthma is more.