How risky is secondhand smoke?
二手烟到底有多危险？
How can secondhand smoke be avoided?
该如何避免吸入二手烟？
避免吸二手烟。
Studies of secondhand smoke have indeed moved outdoors.
二手烟的研究确实已经移至户外。
It's been scientifically proven that secondhand smoke is dangerous.
科学已经证实抽二手烟是十分危险的。
Because secondhand smoke is very harmful, especially for children.
二手烟会危害人体健康，特别是对抵抗力弱的小孩子。
It is not yet clear how secondhand smoke would trigger mental troubles.
二手烟如何能引起精神疾病还不清楚。
Children were most likely to breathe secondhand smoke in their own homes.
孩子们最有可能在自己家中吸到二手烟。
High concentrations of many of these chemicals are found in secondhand smoke.
研究发现二手烟中含有高浓度的上述有害物质。
But let's not cloud that debate by invoking the general harm of secondhand smoke.
但是我们不要以二手烟的一般危害来使这个辩论含糊不清。
You don't smoke because you understand the dangers - but what about secondhand smoke?
你不吸烟正因为你知道吸烟的危害——但你知道二手烟吗？
Exposure to secondhand smoke during pregnancy increases the risk of low birth weight.
怀孕期间受二手烟影响会增加低出生体重的几率。
Even powerful ventilation fans don't effectively remove secondhand smoke from the air.
看似功效强大的通风设备并不能有效清除二手烟。
You can save money on gas and entertainment costs while avoiding a lungful of secondhand smoke.
你可以省下汽油钱和娱乐花费，还不用受二手烟的危害。
Plus, cigars often burn for longer periods of time, which leads to more secondhand smoke in the air.
此外，由于雪茄比起香烟，通常会燃烧更长时间，因此会产生更多的二手烟雾。
Asthma, bronchitis and other chronic lung ailments can be triggered or aggravated by exposure to secondhand smoke.
二手烟会引发或加重哮喘，支气管炎及其他慢性肺病。
Breathing secondhand smoke for a short time can irritate your lungs and reduce the amount of oxygen in your blood.
短时间里吸收二手烟会刺激你的肺部，并减少血液中的氧气量。
There is no safe level of secondhand smoke for nonsmokers. Don't expose your children to secondhand tobacco smoke.
别让你的孩子吸二手烟。
And by now you've probably heard that breathing in someone else's secondhand smoke is also hazardous to your health.
想必你现在也知道了，吸别人的二手烟也对自身健康有很大的危害。
These might include feeling better, getting healthier, sparing your loved ones from secondhand smoke or saving money.
自我感觉更好、身体更健康、避免你爱的人吸二手烟或节约钱。
True, there is evidence that being near someone smoking, even outdoors, can result in significant secondhand smoke exposure.
诚然，有证据表明，待在吸烟者身旁，即便是在室外，也算接触到了二手烟。
Lung disease. Asthma, bronchitis and other chronic lung ailments can be triggered or aggravated by exposure to secondhand smoke.
肺病。二手烟会引发或加重哮喘，支气管炎及其他慢性肺病。
This [study] adds an important piece of evidence that inhaling secondhand smoke is deleterious and does things to the airway that are not good.
上述研究又提供了一个重要的证据证明吸入二手烟是有害的，对气道很不好。
Taking a stand on secondhand smoke will keep you much healthier and possibly even help someone you love think twice about their own unhealthy habit, too.
对二手烟宣战将使你活得更健康，甚至也可能帮助到你爱的人，让他们好好反思下自己的不良习惯。
Everyone knows smoking is a bad idea. And by now you've probably heard that breathing in someone else's secondhand smoke is also hazardous to your health.
每个人都知道吸烟有害身体健康。想必你现在也知道了，吸别人的二手烟也对自身健康有很大的危害。
Cancer. Secondhand smoke is a known risk factor for lung cancer. Some research also suggests a link between secondhand smoke and various other types of cancer.
癌症。众所周知，二手烟是肺癌的致病因素之一，一些研究还表明二手烟与其他癌症也有着千丝万缕的关系。
The Centers for Disease Control and Prevention's recommendations also highlight the relationship between secondhand smoke exposure and some common ear infections.
疾病控制和预防中心也建议重视二手烟和一些常见的耳部感染之间的关系。
The Centers for Disease Control and Prevention's recommendations also highlight the relationship between secondhand smoke exposure and some common ear infections.
疾病控制和预防中心也建议重视二手烟和一些常见的耳部感染之间的关系。
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