简单地说，压力阻碍了大脑中负责决策和反应时间的部分，也会对其他心智能力产生负面影响。

In simple terms, stress hinders a part of the brain responsible for decision-making and reaction time and can adversely affect other mental abilities as well.

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但青少年有自我意识的心智能力。

But teens have the mental ability to be self-aware.

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一项令人惊奇的发现表明，我们的心智能力在30岁并没有完全成熟。

A surprising discovery suggests our mental faculties have not yet been fully tapped by the age of 30.

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