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。
So Repace is correct that secondhand smoke has been studied outdoors.
所以Repace在户外做的二手烟研究是对的。
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。
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。
One US study found evidence of secondhand smoke in 60 percent of non-smokers.
一项美国的研究也发现了一些证据证明，二手烟吸烟者占不吸烟者人数的60%。
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。
Secondhand smoke causes or contributes to serious health problems, including.
二手烟会造成严重的健康问题，包括。
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。
They measured levels of pollution caused by secondhand smoke for 45 journeys by car. Result?
他们为45个开车旅行的家庭测试了二手烟引起的危害等级，结果呢？
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。
those with low levels were considered occasional smokers or people exposed to secondhand smoke;
尼古丁和可替宁含量低者视为“普通烟民”或“二手烟民”；
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。
Secondhand smoke from cigars contains the same toxic chemicals that secondhand cigarette smoke does.
来自雪茄的二手烟与来自香烟的二手烟一样含有同样的有毒化学物质。
Secondhand smoke also damages blood vessels, interferes with circulation and increases the risk of blood clots.
二手烟还会伤害血管，妨碍血液循环并增加血块的危险性。
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。
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。
The study authors suggest that pediatricians should do more to make parents aware of the hazards of secondhand smoke.
该调查研究的作者建议小儿科医生们应该更多的做那些能让家长们引起对二手烟的危害性的注意的事情.
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。
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。
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