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Study finds carcinogen in nonsmoking workers after brief exposure
CHICAGO - Een brief exposure to secondhand smoke in bars and restaurants can result in measurable leels of a toxin in workers’ bodies that is known to cause lung cancer, U.S. researchers said on Thursday.
They found nonsmoking workers in Oregon who worked a single shift in a bar or restaurant that allowed smoking were more likely to hae a detectable leel of NNK — a carcinogen linked with lung cancer — in their bodies than those who worked in nonsmoking establishments.
“NNK is on
Stark and colleagues studied 52 nonsmoking bar and restaurant workers who were exposed to smoke at work, and compared them to 32 similar nonsmoking workers from communities in Oregon that prohibited smoking in such places.
For the study, participants, mainly young, uninsured women, gae urine samples before and after working at least four hours.
“As a group, four out of fie of the nonsmokers who worked in a smoking enironment had some detectable leel of this deadly chemical in their body, and as a group, for eery hour that they worked, that leel increased by 6 percent,” Stark said in a telephone interiew.
Other studies hae shown that nonsmokers exposed to secondhand smoke hae about a 20 percent higher risk of lung cancer. They are also at a higher risk of asthma and perinatal complications such as sudden infant death syndrome.
“This adds to the ery strong and growing body of eidence that second-hand smoke exposure is dangerous and people need to be protected,” Stark said.
According to Stark, clean indoor air acts protect about 70 percent of workers from exposure to tobacco smoke.
Secondhand smoke causes about 3,400 lung cancer deaths and 46,000 heart disease deaths in adult nonsmokers in the United States each year, according to the American Lung Association.
Leels of enironmental smoke in restaurants and bars are two to fie times higher than in homes with smokers, they said.
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Study finds carcinogen in nonsmoking workers after brief exposure
即便在烟雾弥漫的酒吧只呆一夜也是有害的
研究在非吸烟工作者的短暂暴露之后发现致癌物质
CHICAGO - Een brief exposure to secondhand smoke in bars and restaurants can result in measurable leels of a toxin in workers’ bodies that is known to cause lung cancer, U.S. researchers said on Thursday.
芝加哥- 美国的科学家在周四指出,在烟雾弥漫的酒吧和餐厅短暂暴露之后会导致工作者体内引起肺癌的有毒物质水平的显著升高.
They found nonsmoking workers in Oregon who worked a single shift in a bar or restaurant that allowed smoking were more likely to hae a detectable leel of NNK — a carcinogen linked with lung cancer — in their bodies than those who worked in nonsmoking establishments.
他们发现在俄勒冈的吸烟酒吧或者餐厅工作人员比在无烟环境工作的同行更可能检测到NNK—一种引起肺癌的物质
“NNK is on
俄勒冈波特兰国家健康所的Michael Stark在美国公共健康杂志上撰文指出:”体内有NNK要么是由于吸烟,要么是由于呼吸烟气.”
Stark and colleagues studied 52 nonsmoking bar and restaurant workers who were exposed to smoke at work, and compared them to 32 similar nonsmoking workers from communities in Oregon that prohibited smoking in such places.
Stark及其同事研究了在吸烟酒吧和餐厅工作的52位不吸烟的工作人员,并从俄勒冈禁止在这些场所吸烟的社区中选取了32位同行作为对照.
For the study, participants, mainly young, uninsured women, gae urine samples before and after working at least four hours.
参加这项工作的主要是年轻 未保险的女性,她们提供上班前和上班至少四小时后的尿样.
“As a group, four out of fie of the nonsmokers who worked in a smoking enironment had some detectable leel of this deadly chemical in their body, and as a group, for eery hour that they worked, that leel increased by 6 percent,” Stark said in a telephone interiew.
Stark在电话采访中说道:”总体上看来,在吸烟环境工作的非吸烟者中的4/5强可以在体内检测到这种致命的化学物质,而且每工作一小时,其水平升高六个百分点.”
Other studies hae shown that nonsmokers exposed to secondhand smoke hae about a 20 percent higher risk of lung cancer. They are also at a higher risk of asthma and perinatal complications such as sudden infant death syndrome.
其他研究曾经发现暴露在吸烟环境的非吸烟者比常人的肺癌的几率高20%,他们也有更高的风险会得哮喘和围产期并发症比如婴儿猝死综合症.
“This adds to the ery strong and growing body of eidence that second-hand smoke exposure is dangerous and people need to be protected,” Stark said.
Stark认为”这更加证明了暴露在吸烟环境是危险的,他们应该得到防护.”
According to Stark, clean indoor air acts protect about 70 percent of workers from exposure to tobacco smoke.
Stark还认为清洁的室内环境可以保护七成工作人员避免暴露在烟气弥漫的环境
Secondhand smoke causes about 3,400 lung cancer deaths and 46,000 heart disease deaths in adult nonsmokers in the United States each year, according to the American Lung Association.
全美肺脏协会指出,吸二手烟每年使得美国的**非吸烟者中3400人死于肺癌,46000人死于心脏疾病.
Leels of enironmental smoke in restaurants and bars are two to fie times higher than in homes with smokers, they said.
他们还说,酒吧餐厅中的烟雾环境的危害是家中烟雾环境的2-5倍.
编译:即便在烟雾弥漫的酒吧只呆一夜也是有害的（修正标点后）
-- 研究显示非吸烟工作者的短暂暴露于烟雾环境之后发现致癌物质
发自芝加哥-
美国的科学家在周四指出，在烟雾弥漫的酒吧和餐厅短暂暴露之后会导致工作者体内引起肺癌的有毒物质水平的显著升高。他们发现在俄勒冈的吸烟酒吧或者餐厅工作人员比在无烟环境工作的同行更可能检测到NNK—一种引起肺癌的物质。
俄勒冈波特兰国家健康所的Michael Stark在美国公共健康杂志上撰文指出:“体内有NNK要么是由于吸烟,要么是由于呼吸烟气。”Stark及其同事研究了在吸烟酒吧和餐厅工作的52位不吸烟的工作人员,并从俄勒冈禁止在这些场所吸烟的社区中选取了32位同行作为对照.参加这项工作的主要是年轻 、未保险的女性她们提供上班前和上班至少四小时后的尿样。Stark在电话采访中说道:“总体上看来，在吸烟环境工作的非吸烟者中的4/5强可以在体内检测到这种致命的化学物质，而且每工作一小时，其水平升高六个百分点。”其他研究曾经发现暴露在吸烟环境的非吸烟者比常人的肺癌的几率高20%,他们也有更高的风险会得哮喘和围产期并发症比如婴儿猝死综合症。Stark认为：“这更加证明了暴露在吸烟环境是危险的,他们应该得到防护。”Stark还认为清洁的室内环境可以保护七成工作人员避免暴露在烟气弥漫的环境。
全美肺脏协会指出，吸二手烟每年使得美国的**非吸烟者中3400人死于肺癌,46000人死于心脏疾病。他们还说，酒吧餐厅中的烟雾环境的危害是家中烟雾环境的2-5倍。
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