Study Status: Completed
Recruit Status: Completed
Study Type: Interventional
Official Title: Exercise-induced Bronchoconstriction in a Cold Chamber Compared to Methacholine Challenge
Brief Summary: The purpose of this study is to compare the exercise-challenge in a cold chamber at 2-4°C to the gold standard the metacholine challenge in subjects showing symptoms of exercise-induced bronchoconstriction. The sensitivity and repeatability of the exercise test will be measured.