At recruitment, each participant was personally interviewed to obtain detailed information on demographic characteristics, lifetime history of cigarette use, and family history of cancer.
所有的研究对象都详细记录了吸烟史、人口统计学特征以及癌症的家族史。
参考来源 - 食管癌（ADH1B）单核苷酸多态性与食管癌发病风险研究·2,447,543篇论文数据，部分数据来源于NoteExpress
All 31 women were smokers at the time of onset of symptoms, and cigarette use was heavy in general.
所有31名妇女在发生症状时均吸烟，而且烟量一般都很大。
We need to make sure anyone considering smoking, particularly kids, fully appreciate the consequences of cigarette use.
我们需要确信考虑吸烟的任何人充分注意到使用香烟的后果，尤其是儿童。
In fact, combined e-cigarette and cigarette use among adolescents in 2014 was higher than total cigarette use in 2009, according to the study.
事实上，据研究发现，2014年同时在抽烟和抽电子烟的青少年数量要比2009年显示的吸烟数据更高。
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