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根据1993年UNSCEAR报道,人类所受的天然辐射剂量中近50％来自氡及其子体。流行病学研究表明,接触高水平氡及其子体的铀矿工人肺癌发病率增高。由于大部分人类癌症起
According to the 1993 UNSCEAR report, nearly 50% of the natural radiation doses to humans come from radon and its daughters. Epidemiological studies have shown an increased incidence of lung cancer among uranium miners exposed to high levels of radon and its daughters. Since most human cancers start