title: Prevention of exertional asthma.
mesh_terms: D000328:Adult; D001249:Asthma / Q000209:etiology / Q000517:prevention & control*; D002648:Child; D006801:Humans; D007590:Jogging; D008397:Masks; D005082:Physical Exertion; D012130:Respiratory Hypersensitivity / Q000517:prevention & control