回复：I don't agree. You can see the correlation curve between smok

来源: 于 2013-03-22 11:16:01 [旧帖] [给我悄悄话] 本文已被阅读：次

I don't agree. You can see the correlation curve between smoking people and lung cancer people. Also smoking damaging the lung can be visually seen with the imaing technology.