The volatility of As and Pb in cigarette are low and they can be absorbed through cigarette butt and filter tip in the course of smoking,which has no harm to the active and passive smokers.

• 结果表明,在吸烟过程中,香烟中砷和铅挥发性较小,且通过烟头及过滤嘴的吸附,对主动吸烟者及被动吸烟者造成危害甚微;