环境性烟草烟雾已列为成人肺癌相关性致癌物质,但迄今尚无关于接触烟草烟雾非吸烟者体液或组织中肺致癌物及其代谢物的报道。 5例男性非吸烟者在6个月中,每隔2天接触180分钟鉴定香烟的机器吸烟所形成的边流香烟烟雾(即香烟缓慢燃烧飘出的两股烟雾之间的烟)。于是,分别收集接触烟雾前24小时和接触后24小时的尿样,分析其中的4-(甲基亚硝胺)-1-(3-吡啶)-1-丁醇 Environmental tobacco smoke has been classified as an adult lung cancer-related carcinogen, but there have been no reports of lung carcinogens and their metabolites in the body fluids or tissues of non-smokers exposed to tobacco smoke. Five male non-smokers in the six-month period exposed 180-minute cigarette smoke every two days to identify cigarette smoke (the smoke between the two smokes that was slowly burned by the cigarette). Thus, urine samples 24 hours before and 24 hours after exposure to smoke were collected and analyzed for 4-(methylnitrosamine)-1-(3-pyridyl)-1-butanol.