Government says cancer rate is increasing.
D000367:Age Factors; D004345:Drug Industry; D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology / Q000209:etiology; D009316:National Institutes of Health (U.S.); D009369:Neoplasms / Q000453:epidemiology*; D012907:Smoking / Q000150:complications; D014481:United States