“吸烟致癌说”在流传了多年之后，人们才找到这一关系的证据。
It was rumored that smoking caused cancer for years before the evidence was found to prove a connection.
许多人坚持吸烟致癌的看法。
Many people hold to the theory that smoking is a cause of cancer.
标识上的标语有“吸烟要人命”、“吸烟致癌”等，还包含向公众传达吸烟的各种危害的图片。
They include phrases like "Smoking can kill you" and "Cigarettes cause cancer" and feature graphic images to convey the dangers of tobacco.
来自明尼苏达大学的一位研究者发现吸烟可在数分钟内造成可致癌的遗传损伤。
A researcher from the University of Minnesota has found that smoking can cause damage to genes in a matter of minutes, which could then lead to cancer.
吸烟会导致癌症，心脏病和许多其他疾病，因此，人们不应因为担心适当的增重而放弃戒烟。
Smoking causes cancer, heart attacks and a host of other ailments so worry about modest weight gain shouldn't deter someone from quitting.
该慈善机构表示，这个攀升不是由于吸烟的缘故，因为那需要长达30年才会导致癌症。
The charity says tobacco does not explain the rise, as it takes up to 30 years to cause cancer.
二手烟会导致至少二分之一的不吸烟者致癌。
Secondhand smoke causes at least half the cases of lung cancer in non-smokers.
吸烟之所以危害健康是因为烟草中含有多种损害健康的化学物质，包括60来种致癌物质、烟碱、砷、一氧化碳和尼古丁。
Tobacco smoke is hazardous because it contains a number of unhealthy chemicals, including some 60 carcinogens (cancer-causing agents), tar, arsenic, carbon monoxide and nicotine.
对人体的伤害：世界卫生组织已经将太阳床的致癌性列入和吸烟、石棉、砷的同样等级。
Pic.1 Damage: The World Health Organisation has classified that sunbeds are as carcinogenic as smoking, asbestos and arsenic.
很久以前科学就明确了吸烟会导致癌症，但是一项新研究显示儿童能从吸烟的父亲那里遗传这种基因损伤。
The science has long been clear that smoking causes cancer, but new research shows that children could inherit genetic damage from a father who smokes.
参与者：农民和在职的核武器工人，45岁，包括有吸烟史与无吸烟史，并且有职业性的肺致癌物的接触史。
Participants: Former and current nuclear weapons workers, 45 years old, including smokers and never-smokers, with variable exposure to occupational lung carcinogens.
如此高的死亡率使得研究吸烟的致癌机理变得十分重要。
With high death rates like these, it's worth researching what the effects really are.
吸烟是导致癌症的主要因素。
但我让他在碰巧看了一眼报纸时，看到上面一篇文章提醒他吸烟会致癌。
But then what I do is I nudge him with a little reference to a newspaper article he happens to glance at which just reminds him that these things will give him cancer.
吸烟会致癌。
吸烟会致癌。
大部分肺癌是由吸烟吸入的致癌物质或促癌物质引发的。
Most lung cancers are caused by carcinogens and tumor promoters ingested via cigaretter smoking.
没有人能否认吸烟能致癌的事实。
研究结果提示，非吸烟烟草对使用者可能具有致癌危害作用。
These results seem tc indicate that smokeless tobacco may possess potential carcinogenic hazards to the users.
研究认为：“这项结果相当重要，因为多环芳香环氧二醇（PAH diol epoxides）易与DNA反应，引发突变，所以被认为是吸烟产生的众多环芳香烃中最严重的致癌物质。”
"These results are significant because PAH diol epoxides react readily with DNA, induce mutations, and are considered to be ultimate carcinogens of multiple PAH in cigarette smoke, " the study said.
1951年有医学家发表文章，称吸烟会导致癌症。
Medical scientists has published the 1951 article, saying that smoking causes cancer.
在不抽烟的人当中，被动吸烟的人也与肺癌发病有关。其它的致癌因素还包括曝露在氡和石绵的环境下。
Passive inhalation (" secondhand smoke ") is linked to lung cancer in nonsmokers. Other risk factors include exposure to radon or asbestos.
在不抽烟的人当中，被动吸烟的人也与肺癌发病有关。其它的致癌因素还包括曝露在氡和石绵的环境下。
Passive inhalation (" secondhand smoke ") is linked to lung cancer in nonsmokers. Other risk factors include exposure to radon or asbestos.
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