2016 Yes https://www.resmedjournal.com/article/S0954-6111(16)30006-3/fulltext Stelmach, Iwona Europe Exposure Study Modeling Students Temperature Humidity Dust Respiratory symptoms Exercise-induced cough Exercise-induced bronchospasm PE classes Schoolchildren 1033 participants were included into the analysis. Sixty seven(6.5%) children reported dyspnea/cough, and in 94(9.4%) children bronchoconstriction induced during PE lesson was documented. There is a correlation between the results of the ETC and bronchoconstriction after PE (OR: 2.55; 95%CI: 1.07–6.05; p = 0.034). Exposure to higher air pressure and higher humidity independently increase the risk of clinical symptoms reported during or after PE lesson. Exposure to cat's allergens increase the risk of bronchoconstriction (independently from atopy status). We showed significant interaction between presence of asthma and current ICS therapy as a risk of physical inactivity at school (OR: 4; 95%CI: 1.3–12; p < 0.001).