title: A double-edged sword.
mesh_terms: D016535:Bronchial Hyperreactivity / Q000139:chemically induced*; D001986:Bronchial Spasm / Q000139:chemically induced*; D016084:Bronchoconstriction / Q000187:drug effects*; D003550:Cystic Fibrosis / Q000188:drug therapy*; D006801:Humans; D008353:Mannitol / Q000008:administration & dosage* / Q000009:adverse effects*
chemical_list: D008353:Mannitol