A 6-month study with crossover at 3 months was designed to evaluate the possible beneficial effects of transcendental meditation upon bronchial asthma. 21 patients kept daily diaries of symptoms and medications and answered questionnaires at the end of the study and 6 months later. Other measurements included physician evaluation, pulmonary function testing, and galvanic skin resistance. The results indicated that transcendental meditation is a useful adjunct intreating asthma.