Abstract
This review describes the outline of Yokkaichi-asthma which has been occured in Yokkaichi-area. Since 1961, in parrallel with industrial activities, abnormal growing of bronchial asthma has been observed and called with the name of Yokkoichi-asthma in relation of air pollution. The review containes the main results which have been published and unpublished, and also containes discussion and speculation on its etiology. Authors also pointed out the possibility of same “asthma” due to air pollution in other polluted areas.
