那些在研究开始后一个月内就开始吸烟的人在研究结束时抑郁的可能性是那些没有开始吸烟的人的四倍。
Those who began smoking within a month of the study's start were four times as likely to be depressed at the study's end than those who did not begin smoking.
研究人员找来一组从不吸烟的青少年，用一年的时间追踪他们是否开始吸烟以及他们的心理健康如何变化。
Researchers took a group of teenagers who had never smoked and for one year tracked whether they took up smoking and how their mental health changed.
有些人很小就开始吸烟，因为他们的父母也吸烟。
Some people start smoking at a young age because their parents smoke.
这种理论认为，应该消除吸烟的任何吸引力，从一开始就阻止新一代开始吸烟。
The theory is that smoking should be stripped of any appeal to discourage new generations from starting in the first place.
了解你为何开始吸烟的吧。
Knowing why you smoke may be the first step in that direction.
乐观主义者指出女性开始吸烟的年龄比男性晚。
An optimist would point out that women took up smoking later than men.
16岁时，她遵照当时医生的建议，开始吸烟减肥。
At age 16, she started smoking to lose weight, following the advice of her physician at the time.
你从什么时候开始吸烟？
如果您重新开始吸烟了，只需重新开始戒烟。
最重要的信息是显而易见的：不要开始吸烟。
The most important message is obvious: Don't Start to Smoke.
你本不该开始吸烟。
这项研究结果应该能强烈警告那些正考虑开始吸烟的人慎行。
The results reported here should serve as a stark warning to those who are considering starting to smoke cigarettes.
从全球角度看，女性比男性开始吸烟的晚，但同时戒烟也比男性晚。
Globally, women tended to pick up smoking later than men, and started quitting later than men, too.
我猜想，那次偶遇之后，他开始吸烟，并对理论物理失去了全部兴趣。
After that encounter he started smoking and lost all interest in theoretical physics, I imagine.
这些活动多数旨在劝说人们，尤其是年轻人不要开始吸烟。
Many of the events are aimed at persuading people, especially the young, not to start smoking.
男性和女性都表示，老一辈的影响是他们开始吸烟的主要原因。
Both men and women cited the influence of older relatives as their primary reason for starting to use tobacco.
研究表明，经常接触电影中的吸烟镜头的年轻人与较少接触的相比更容易开始吸烟。
Research has shown that young people heavily exposed to tobacco imagery in films are more likely to begin smoking than those who are only lightly exposed.
阻止儿童开始吸烟很重要，但这项措施要到2050年之后才能产生减少死亡的效果。
Preventing children from starting is important, but that will not reduce deaths until after 2050.
大约有五分之一习惯咀嚼烟草的农村女性开始吸烟是为了缓解孕妇晨吐反应。
About one out of five rural women who used chewing tobacco started their habit for relief from morning sickness.
大多数人在18岁以前即开始吸烟，其中几乎四分之一的人不到10岁就开始使用烟草。
Most people start smoking before the age of 18, and almost a quarter of these individuals begin using tobacco before the age of 10.
吸烟者都有不同的开始吸烟的理由，但大家都有一个共同的事情，那就是戒烟。
Smokers may have different reasons for lighting up, but they all have one thing in common: they should quit.
乐观的估计是女性开始吸烟要比男性晚，女性吸烟人群在二战后才和男性持平。
An optimist would point out that women took up smoking later than men. It was not until after the second world war that they started puffing at anything like the male rate.
如果那时你就开始吸烟，你不仅犯了一个医学错误，更是一个灾难性的遗传错误。
If you start smoking then, you may have made not only a medical mistake but a catastrophic genetic mistake.
或许你应该告诉你的医生，说你计划开始抽烟，并问问他如何在开始吸烟后戒掉。
Perhaps you should tell your doctor you plan to start smoking, and ask him for advice about how to quit once you've started.
吸烟者开始吸烟可能是因为他们的朋友，也可能是因为他们觉得那么看起来很酷。
Smokers may have started smoking because their friends did or because it seemed cool.
例如在人们开始吸烟之前，肺癌多数是一种遗传疾病，然后便成为了主要因香烟导致的疾病。
For instance, lung cancer was mostly an inherited disease until people starting smoking, and then it became a disease that was caused mostly by cigarettes.
紧接其后的还未公开发表的研究，则表示反对吸烟的信息恰恰促使了烟民开始吸烟。
Follow-up research, which has not yet been published, indicates that anti-smoking messages really do prompt smokers to light up.
因此，如果你正在寻找戒烟的另一个理由，如果你正在寻找一个不开始吸烟的理由，这就是很好的一个。
So, if you're looking for another reason to quit, if you're looking for a reason not to start smoking, here's another good one.
因此，如果你正在寻找戒烟的另一个理由，如果你正在寻找一个不开始吸烟的理由，这就是很好的一个。
So, if you're looking for another reason to quit, if you're looking for a reason not to start smoking, here's another good one.
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