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Do you tend to get stressed out behind the wheel?
坐在驾驶位置上的你是否感到压力非常大呢？
That might not be a bad thing.
也许这并不是坏处。
Researchers have discovered that teenager drivers who have a high sensitivity to stress actually have lower rates of car accidents than their mellow friends.
研究人员们发现压力敏感的青年驾驶员相比别的司机实际上遇到车祸的几率要小。
Car crashes are the leading cause of death for teenagers, so teen driving is a legitimate public health issue that deserves a lot of study.
青少年非正常死亡最多的便是车祸造成，因此青少年驾驶是一种还是有很多值得研究的法律意义上公众健康问题。
To create a stressful situation in the lab, scientists administered a math test to 40 teenagers, all of whom had recently gotten their drivers'licenses.
为了在实验室内制造出压力环境，科学家们对40多名最近才拿到驾照的青少年进行了数学测试。
The researchers measured the teens'level of the stress hormone hormone cortisol after the math quiz.
研究人员在数学测验后测量了这些青少年的压力荷尔蒙皮质醇水平。
The higher the cortisol level, the more sensitive an individual is to a pressurized situation.
皮质醇水平越高,个人对于压力增加的情况越是敏感。
The researchers then tracked the teens for 18 months.
研究人员们之后又对青少年进行了18个月的跟踪检测。
And cameras mounted inside their cars documented their driving behavior.
而且安装在汽车内部的摄像头记录了他们的驾车行为。
Turned out that the teens who had a lower response to stress actually had higher rates of crashes and near crashes than did those with higher stress sensitivity.
结果显示抗压能力比较强的青年们实际上比那些对压力敏感的人更容易出现事故或者事故未遂。
Calm confidence can be a valuable attribute in some situations.
冷静自信在某些情况下是有显著利用价值的品质。
But behind the wheel perhaps the safer teen driver is just a bit jangled.
但是就开车这事来说，或许还是神经质的年轻司机更安全。
