Research participants
asthma
LUNG, ASTHMA, ASTHMA
Patients with physician-diagnosed asthma between the ages of 18 and 45 years were identified by chart review from the University of Alberta Asthma Clinic and The Lung Health Clinic, Edmonton, Alberta 2015–2021. Asthma was confirmed if the participant tested positive for one of the following: a) more than 12% and 200 ml reversibility in the forced expiratory volume in 1 second (FEV