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

的上腺会释放压力荷尔蒙皮，上腺素，以及去甲上腺素。

Cortisol is toxic, and it causes cloudy thinking.

皮是有毒的， 它会导致思维不清晰。

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

但是皮与海马体结合，它会损害忆的恢复。

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

过量的游离皮经脏过滤排入尿中。

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

住，有压力时， 大脑会释放皮。

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，所有这些都与皮水平的增加有关。

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

上腺素还会触发压力荷尔蒙皮的释放。

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

体开始放松时，它产生的皮就会减少，皮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.

压力过大时，大脑会释放出皮等荷尔蒙，从而损害的忆。

One study even found that cortisol gradually shrinks your brain.

一项研究甚至发现，皮会使的大脑逐渐缩小。

As cortisol rises, electrical signals in your hippocampus deteriorate.

皮水平上升时，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，皮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 可以改变皮对紧张的大脑的影响。

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

一整天的内分泌系统都在分泌清醒的激素，例如皮。

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

许多研究表明，笑会暂时降低皮和上腺素的水平。

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，比如皮降低。

They looked at the levels of a hormone called cortisol.

他们观察了一种叫做皮的激素水平。

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

之后他们认为关键因素可能是皮，这是一种典型的压力激素。

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

皮等应激激素也会改变大脑功能，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.

还能减轻疼痛，降低皮等与压力有关的激素的水平。