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如果，1美国的大气质量明显高于中国，2而吸烟人口又明显低于中国，则为何肺癌同是首发，或前位高发癌？

大江川 2013-10-18 11:46:20 ( reads)

跟帖(4)

jaydad

2013-10-18 13:49:46

for one, indoor air matters more

jaydad

2013-10-18 14:00:07

for two, carcinogenic foods are much stronger cancer-causing ove

jaydad

2013-10-18 14:02:06

over trace amount carcinogen in tobacco smoke

大江川

2013-10-18 14:28:40

Thank you for the information,