title: Asthma and the air you breathe.
mesh_terms: D000485:Allergens / Q000009:adverse effects*; D018927:Anti-Asthmatic Agents / Q000627:therapeutic use*; D001249:Asthma / Q000175:diagnosis / Q000188:drug therapy / Q000517:prevention & control; D006801:Humans
chemical_list: D000485:Allergens; D018927:Anti-Asthmatic Agents