Little danger from radon.
D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology*; D008297:Male; D008906:Mining; D009381:Neoplasms, Radiation-Induced / Q000209:etiology*; D009784:Occupational Diseases / Q000209:etiology; D011886:Radon / Q000009:adverse effects*; D014501:Uranium / Q000009:adverse effects; D014691:Ventilation
D014501:Uranium; D011886:Radon