title: Radon gas and radon daughters pose potential environmental hazard.
mesh_terms: D001729:Bismuth / Q000009:adverse effects; D006798:Housing / Q000592:standards*; D006801:Humans; D007854:Lead / Q000009:adverse effects; D008175:Lung Neoplasms / Q000209:etiology*; D009381:Neoplasms, Radiation-Induced / Q000209:etiology*; D011059:Polonium / Q000009:adverse effects; D011886:Radon / Q000009:adverse effects*; D017687:Radon Daughters; D012306:Risk; D014481:United States
chemical_list: D017687:Radon Daughters; D007854:Lead; D011059:Polonium; D011886:Radon; D001729:Bismuth