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Millions of people suffer from preventable chronic respiratory conditions worldwide [2, 3].
Social workers collected the completed survey at the end of the defined one-hour period.
The researchers held training workshops for social workers, employed by the UAE Ministry of Education.
The social workers administered the cross-sectional survey on students from three randomly selected classes from each participating school (one class from each of grades 10, 11, and 12).
Chronic bronchitis is a highly prevalent respiratory disorder, and emphysema occurs when the air sacs in the lungs are gradually destroyed .
Although subcutaneous emphysema and chronic bronchitis can result from repeated infections or injury in childhood or early adulthood [8–10], asthma is the most prevalent chronic respiratory condition of childhood .