防止由吸烟引起的DNA基因损坏。
她惊讶地发现斑点是由吸烟引起的。
She was surprised to learn the spots were caused by smoking.
人们认为肺癌部分是由于吸烟引起的。
许多损害是由吸烟引起的。
当人们想到吸烟引起的癌症时，首先想到的总是肺癌。
When people think of cancers caused by smoking, the first one that comes to mind is always lung cancer.
吸烟引起的疾病是人类所知的最严重地威胁健康的疾病。
Diseases related to smoking are among the most grave health issues known to mankind.
现在，由于更好的医护，Nodari认识到是吸烟引起了疾病。
Now, thanks to better care, Nodari realizes that smoking caused the illness.
每年有数以百万计的人因为吸烟引起的疾病而导致死亡。
Every year, millions of smokers die because of illnesses which are caused by smoking tobacco.
在因癌症导致的死亡中，有30%被认为是由吸烟引起的。
Smoking, as it is believed, is responsible for 30 percent of all deaths from cancer.
寻求心脏病和其他疾病治疗的其余患者，也有因吸烟引起的。
The remaining patients seek treatment for heart disease and other ailments, also caused due to tobacco smoking.
慢阻肺是一种吸烟引起的肺部疾病，也包括肺气肿和慢性支气管炎。
COPD is a disease of the lungs caused by smoking and includes the conditions of emphysema and chronic bronchitis.
吸烟是肺癌最常见的病因，大约有87的肺癌病例是由吸烟引起的。
Smoking is the most common cause of lung cancer, it is estimated that 87 percent of lung cancer cases are caused by smoking.
多种疾病和癌症都是由吸烟引起的，如气管炎，肺癌症和许多其他疾病。
Many kinds of diseases and cancers are caused by smoking, such as tracheitis, lung cancer and many other diseases.
每年有五百四十多万人死于吸烟引起的疾病，儿童呼吸的一半空气已被烟草污染。
More than 5.4 million people die from smoke-related illnesses every year, and half of all children breathe air polluted by tobacco.
在大多数肺癌死亡病例中，男性患者的90%和女性患者的80%都是由吸烟引起的。
Most cases of lung cancer death, close to 90% in men, and 80% in women are caused by cigarette smoking.
很多疾病和癌症是有吸烟引起的，比如说气管炎，肺癌还有很多其他疾病。
Many kinds of diseases and cancersare caused by smoking, such as tracheitis, lung cancer and many other diseases.
很多疾病和癌症是有吸烟引起的，比如说气管炎，肺癌还有很多其他疾病。
Many kinds of diseases and cancers are caused by smoking, such as tracheitis, lung cancer and many other diseases.
在刚刚过去的几年中，就有许多的人因吸烟引起其他的疾病，有些还因此而丧命。
In just the past few years, there is a lot of other people from smoking caused diseases, in some cases, be killed.
他也称赞了布伦特兰博士在过去几年中在对抗传染病和由吸烟引起的疾病上所做的工作。
He also praised Doctor Brundtland's work over the past few years to fight infectious diseases and diseases caused by smoking.
可以肯定的是肺癌发病率的上升是由吸烟引起的，但胃癌发病率下降的原因却尚不清楚。
The rise in incidence of lung cancer is undoubtedly due to smoking, but the reason for the decline in stomach cancer is not clear.
由于富裕国家居民吸烟历史更长，现在已经开始尝到苦果，吸烟引起的癌症和呼吸疾病是常年累积的结果。
Residents of richer countries are suffering more now because they have been smoking longer: cancers and chronic respiratory diseases caused by tobacco smoke take a long time to develop.
被称为食管鳞状细胞癌的恶性肿瘤同样也可由吸烟引起，虽然可以通过手术治疗，但是该病的生存率极低。
The malignancy, called squamous cell esophageal cancer, is also caused by smoking and can be treated with surgery, but survival rates are very low.
被称为食管鳞状细胞癌的恶性肿瘤同样也可由吸烟引起，虽然可以通过手术治疗，但是该病的生存率极低。
The malignancy, called squamous cell esophageal cancer, is also caused by smoking and can be treated with surgery, but survival rates are very low.
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