Your adrenal gland releases the stress hormones cortisol, epinephrine, also known as adrenaline, and norepinephrine.

你的肾上会释放压力荷尔蒙，肾上，以及去甲肾上。

Cortisol is toxic, and it causes cloudy thinking.

是有毒的， 它会导致思维不清晰。

But when cortisol binds to the hippocampus, it impairs retrieval of memory.

但是当与海马体结合，它会损害忆的恢复。

Excess free cortisol is filtered in kidneys and dumped into the urine.

过量的游离经肾脏过滤排入尿中。

Remember, when you're under stress, the brain releases cortisol.

住，当你有压力时， 大脑会释放。

This was due to changes in their hippocampus all linked to increased levels of cortisol.

这是由于他们的海马体发生变化，所有这些都与水平的增加有关。

The adrenaline also triggers the release of the stress hormone cortisol.

肾上会触发压力荷尔蒙的释放。

As you physically start to relax, your body produces less cortisol, a pesky hormone that causes stress.

当你身体开始放松时，它产生的就会减少，是一种令人讨厌的荷尔蒙，它会导致压力。

When you're experiencing excess stress, your brain releases hormones like cortisol, which impair your memory.

当压力过大时，大脑会释放出等荷尔蒙，从而损害你的忆。

One study even found that cortisol gradually shrinks your brain.

一项研究甚至发现，会使你的大脑逐渐缩小。

As cortisol rises, electrical signals in your hippocampus deteriorate.

当水平上升时，大脑海马区的电信号传输能力将会减弱。

Buttner said cortisol levels do not necessarily demonstrate bad stress.

巴特纳称，水平并不一定表明压力是" 负面" 的。

There are many ways to reverse what cortisol does to your stressed brain.

有许多不同的方式 可以改变对你紧张的大脑的影响。

All day your endocrine system has been releasing " awake" hormones like cortisol.

一整天你的内分泌系统都在分泌清醒的激，例如。

Many studies show that the act of laughing brings cortisol and adrenaline levels down temporarily.

许多研究表明，笑会暂时降低和肾上的水平。

This probably has to do with those hormonal changes, like the lowering of cortisol.

这可能与荷尔蒙的变化有关，比如降低。

They looked at the levels of a hormone called cortisol.

他们观察了一种叫做的激水平。

Then they thought the key factor could be cortisol, the quintessential stress hormone.

之后他们认为关键因可能是，这是一种典型的压力激。

Stress hormones like cortisol can also alter brain function, even our ability to learn.

等应激激也会改变大脑功能，甚至改变我们的学习能力。

It can also ease pain and lower levels of stress-related hormones like cortisol.

能减轻疼痛，降低等与压力有关的激的水平。