A recent study done by a group of scientists at the Tel Aviv University has discovered that some plants will scream when they are under stress.

特拉维夫大学的一组科学家最近的一项研究发现，一些植物在压力下会尖叫。

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Identify the factors, both internal and external, that shift the stress of your group dynamic.

确定因素，包括内部和外部的，这样就能将你的压力动态转换。

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The mental imagery group also experienced less stress.

心理意象组还经受了更少的压力。

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He also thinks the group could be expanded to include other victims of post traumatic stress disorder.

VOA: special.2009.12.11

"Many people with those conditions aren't as aware of them as you would think, " says Dr. Clarke, who is president of the Psychophysiologic Disorders Association, a nonprofit advocacy group for stress-induced medical conditions.

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But that number is down from last year when 37% of that group said they were stress-free.

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They solved roughly 50% fewer problems than the group with low chronic stress.

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