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Scientists have isolated two chemicals that can cause cancer and may enable doctors to identify, which smoker will develop cancer, study reported.
Smokers which have the high concentration of nicotine by-products “NNAL” and “cotinine” have the higher risk of developing lung cancer than the smoker with low concentration of NNAL and cotinine in their urine. This study may explain that why some smokers develop cancer and other do not.
“There are more than 60 culprit agents of cancer but the exact identification will able us to predict the risk,” lead researcher Jian-Min Yuan said.
Laboratory findings have explained that the animals with high NNAL level develop cancer, but the implementation of the similar phenomenon in human has not been explained yet.
Cancer, cotinine level, life style, lung cancer, nicotine, NNAL, smoking habit
