15 young adults with exercise induced asthma and 10 healthy young adults will participate in 2 months taining of Bikram Yoga in Tel Aviv. They will perform sessions of 90 minutes training at least 5 times a week. Lung function tests, bronchial challenges (exercise and AMP) and progressive exercise test will be performed before and after the 2 month training at Hadassah University Hospital in Jerusalem in the asthmatic patients. Healthy adults will perform only lung function tsts and progressive exercise before and after training.