Continued smoking increases the likelihood of developing a secondary cancer and can interfere with treatment, the researchers say.

继续吸烟会增加发生二次肿瘤的风险，而且妨碍治疗，研究人员称。

Those of secondary or passive smoking are rather more contentious, even though they form the basis of the smoking bans.

二手烟或被动吸烟者相当不满，即使他们构成了吸烟禁令的基础。

To investigate the smoking situation and influencing factors of some technical secondary schoolboys in Hengshui city.

了解衡水市中专在校男生的吸烟现况及其影响因素。

Results 11 items of family conditions contributed to smoking behaviour of secondary students, especially brother and sister smoking, parent smoking and students 'compliance to their parents.

结果11项家庭环境因素对青少年的吸烟行为均有影响，特别是家庭成员中兄弟姐妹吸烟、父母吸烟和青少年对父母的依从性是重要的影响因素。

Secondary end points were smoking cessation within the first 6 months after enrollment and rates of participation in and completion of smoking-cessation programs.

次级终点则包括报名后前6个月内的戒烟情况，参与率和戒烟计划完成情况。