Increased stress results in increased productivity — up to a point.

压力变大的结果是在一定程度上提高生产率。

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Potential reasons include increased stress and depression due to social alienation.

可能的理由包括压力增大和社会疏远引起精神抑郁。

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Past research has found increased stress and more intra- and inter- species aggression among animals that have been fed by humans.

过去的研究也发现动物之间增大的压力以及种内和种外攻击行为都是由人类引起的。

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Chan says fragile health systems in the developing world will come under increased stress.

VOA: standard.2010.01.02

Lamba says about one-third of the surveyed commuters reported increased stress, increased anger,and traffic so bad in the last three years that they turned around and went home.

VOA: standard.2010.07.26

And,stress increased the risk of falling by about twenty percent.

VOA: special.2009.03.24

The report also said long waiting times for treatment increased stress for patients.

BBC: RELATED BBC SITES

Another concern raised by the board was the change in healthcare provider leading to increased stress and "higher than usual staff turnover and sickness".

BBC: Norfolk prison inmates 'detained for too long'

That's not to say they're bad jobs, they just require people who are strong enough to handle the increased stress that comes their way.

CNN: And you thought your job was stressful...