title: Duration of exercise in the provocation of exercise-induced asthma.
abstract: With running speed held constant, exercise durations of between two and 32 minutes all provoke significant asthma. However, the severity and length of the bronchoconstriction is less following exercise of two minutes duration. Exercise durations ranging from eight to 32 minutes show no difference in either incidence or severity of EIA.
mesh_terms: D000293:Adolescent; D000318:Adrenergic beta-Agonists / Q000627:therapeutic use; D000328:Adult; D001249:Asthma / Q000175:diagnosis* / Q000188:drug therapy; D001250:Asthma, Exercise-Induced / Q000175:diagnosis*; D004205:Cromolyn Sodium / Q000627:therapeutic use; D005080:Exercise Test / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D010366:Peak Expiratory Flow Rate; D013997:Time Factors
chemical_list: D000318:Adrenergic beta-Agonists; D004205:Cromolyn Sodium