Asthma and Asthma Medication Are Common among Recreational Athletes Participating in Endurance Sport Competitions

<div>Flow chart of study participants from the three large Swedish public endurance competitions: cross-country running (CCR Lidingöloppet), cross-country skiing (CCS Vasaloppet), and open-water swimming (OWS Vansbrosimningen). <sup>1</sup>Age &lt; 18 years/unknown age.</div>

Canadian Respiratory Journal

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Figure 1

Figure 1: Asthma and Asthma Medication Are Common among Recreational Athletes Participating in Endurance Sport Competitions 