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1 .This is Scientific American 60-Second Mind, I'm Christie Nicholson. Got a minute?
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2 .Do you tend to get stressed out behind the wheel?
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3 .That might not be a bad thing.
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4 .Researchers discovered that teenager drivers who have a high sensitivity to stress actually have lower rates of car accidents than their mellow friends.
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5 .Car crashes are the leading cause of death for teenagers,
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6 .so teen driving is a legitimate public health issue that deserves a lot of study.
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7 .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.
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8 .The researchers measured the teens' level of the stress hormone hormone cortisol after the math quiz.
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9 .The higher the cortisol level, the more sensitive an individual is to a pressurized situation.
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10 .The researchers then tracked the teens for 18 months.
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11 .And cameras mounted inside their cars documented their driving behavior.
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12 .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.
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13 .Calm confidence can be a valuable attribute in some situations.
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14 .But behind the wheel perhaps the safer teen driver is just a bit jangled.
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15 .Thanks for the minute, for Scientific American 60-Second Mind. I'm Christie Nicholson.
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