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    STUDIA GEOLOGIA - Ediţia nr.1 din 2007  
         
  Articol:   INDOOR RADON AND LUNG CANCER RISK IN ROMANIA.

Autori:  CONSTANTIN COSMA, KINGA SZACSVAI, ALEXANDRA DINU, DANIELA CIORBA. 		 
       
         
  Rezumat:  After smoking, radon represents the second cause of risk in releasing of pulmonary cancer. This fact was clearly demonstrated by many cohort studies on miners working in uranium and non-uranium mines (National Research Council). In 2005 a big European pooled study has clearly shown the risk of lung cancer due to indoor radon exposure for all population (Darby et al., 2005). The origin of the common cancer was still predominantly viewed as environmental in 1980. This view was based on the studies from the 1960’s and 1970’s, that identified large differences in the incidence of specific cancer among populations, and that showed that the immigrants acquired the pattern of cancer risk of their new country (Balmain et al., 2003). Cancer cells often lose their normal primary function and start behaving like rapidly growing embryonic cells rather than fully mature skin or liver or breast cells, in which growth is slow and regulated. They replicate without regard to the signals that normally indicate when it is appropriate to divide. These cells have damaged mechanisms for repairing DNA errors and often have even lost the fail-safe mechanisms that normally eliminate highly damaged cells.  
         
     
         
         
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