Among those who died from lung cancer, smoking or second-hand smoke caused 87 percent of the cases. Male smokers are eight to 20 times more likely to get lung cancer than male non-smokers.
(China.org.cn April 20, 2011) |
因肺癌死亡的患者中,87%是由吸煙(包括被動吸煙)引起的,男性吸煙者肺癌死亡率是不吸煙者的8倍到20倍。 |