反应激烈是由丘脑下部控制的。
首先，它产生的应激激素会导致许多健康问题。
First, it produces stress hormones that can lead to many health problems.
当人们睡眠不足时，他们体内的应激激素水平会升高，造成免疫功能下降。
When people are sleep-deprived, there are higher levels of stress hormones in their bodies, which can decrease immune function.
塞曼发现，情绪上感到孤独的老年人即使在睡觉时也会保持较高的应激激素水平。
Seeman found that elderly people who felt emotionally isolated maintained higher levels of stress hormones even when asleep.
芝加哥西北大学的费利斯博士说：“当人们睡眠不足时，他们体内的应激激素水平会升高，这会降低免疫功能。”
"When people are sleep-deprived, there are higher levels of stress hormones in their bodies which can decrease immune function," says Doctor Felice of Northwestern University in Chicago.
芝加哥西北大学的博士费利斯·徐说：“当人们睡眠不足时，他们体内的应激激素水平会升高，这会降低免疫功能。”
"When people are sleep-deprived, there are higher levels of stress hormones in their bodies, which can decrease immune function," says Dr. Phyllis Zee of Northwestern University in Chicago.
相反，对于那些认为成绩下降是一种永久的、无法挽回的状态的学生来说，成绩的下降只会预兆着他们应激激素的上升。
Instead, declining grades only predicted worse stress hormones among students who believed that worsening grades were a permanent and hopeless state of affairs.
当它们发现干旱期延长时，它们会改变自己的新陈代谢，在它们的组织中产生糖和某些与应激相关的蛋白质和其他物质。
When they detect an extended dry period, they divert their metabolisms, producing sugars and certain stress-associated proteins and other materials in their tissues.
在实验室的挑战性活动（比如驾车）的模拟中，那些觉得生活在自己的掌控之中的人产生的应激激素（比如皮质醇）更少。
In laboratory simulations of challenging activities such as driving, those who felt in control of their lives pumped out lower levels of stress hormones such as cortisol.
洛夫顿队的反应激怒了在红雀队队员席休息的球员。
Lofton's reaction infuriated players in the Cardinals' dugout.
每一位老师都应激励学生思考当前的问题。
Every teacher ought to be challenging students to think about current issues.
创伤后应激障碍是最被担心的。
Post-traumatic stress disorder is near the top of that worry list.
应激只会影响家鸡的记忆力。
他们的应激激素水平也达到一个峰值。
丢掉工作是主要的应激物。
应激激素升高可导致炎症。
笑可降低应激激素水平，并加强免疫系统。
Laughing lowers levels of stress hormones and strengthens the immune system.
我的应激激素升高了。
对她的文章，反应激烈且多样。
政策假定人们会直率地回应激励措施。
They assumed that people responded in straightforward ways to incentives.
某些孩子变为应激性、皮肤疹或腺体肿胀。
Some children become irritable, get a skin rash or swollen glands.
结果发现，均受应激的红原鸡和家鸡都激烈争抢食物。
This time both stressed junglefowl and stressed chickens competed aggressively for food.
但我们不是很清楚的是，应激如何对这些现象产生影响。
神经系统感受到源源不断的压力，便持续释放应激激素。
The nervous system senses continued pressure and pumps out stress hormones over an extended period.
沮丧能增加应激激素，比如它能引发血管里的危险炎症。
Depression can increase the production of stress hormones in the body, for instance, and can trigger dangerous inflammation in the blood vessels.
提前培养调节基因表达对后期控制应激反应起到了重要作用。
Early nurturing regulates the expression of a gene that is crucial to modulating the stress response.
因此，未来疗法可能要在促进和抑制氧化应激两者之间取得平衡。
So future therapies might have to strike a balance between promoting and suppressing oxidative stress.
只有症状持续至少一个月医生才能诊断创伤后应激障碍。
Doctors can't diagnose PTSD until symptoms have persisted for at least a month.
对于活跃的人而言，如果没有咽峡炎症状，应激测试也不是必需的。
A stress test is not necessary for active people without symptoms of angina.
对于活跃的人而言，如果没有咽峡炎症状，应激测试也不是必需的。
A stress test is not necessary for active people without symptoms of angina.
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