Occupational Asthma is related to chronic rhinitis and urticaria. An important gene associated with Occupational Asthma is CBS (Cystathionine Beta-Synthase), and among its related pathways/superpathways are Innate Immune System and MIF Mediated Glucocorticoid Regulation. Affiliated tissues include lung and skin, and related phenotypes are digestive/alimentary and respiratory system