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

你肾释放压力荷尔蒙质醇，肾素，以及去甲肾素。

Cortisol is toxic, and it causes cloudy thinking.

质醇是有毒， 它导致思维不清晰。

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

但是当质醇与海马体结合，它损害忆恢复。

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

过量游离质醇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， 大脑释放质醇。

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

这是由于他们海马体发变化，所有这些都与质醇水平增加有关。

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

肾素还触发压力荷尔蒙质醇释放。

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，它产质醇就减少，质醇是一种令人讨厌荷尔蒙，它导致压力。

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

当压力过大时，大脑释放出质醇等荷尔蒙，从而损害你忆。

One study even found that cortisol gradually shrinks your brain.

一项研究甚至发现，质醇使你大脑逐渐缩小。

As cortisol rises, electrical signals in your hippocampus deteriorate.

当质醇水平升时，大脑海马区电信号传输能力将减弱。

Buttner said cortisol levels do not necessarily demonstrate bad stress.

巴特纳称，质醇水平并不一定表明压力是" 负面" 。

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

有许多不同方式 可以改变质醇对你紧张大脑影响。

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

一整天你内分泌系统都在分泌清醒激素，例如质醇。

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

许多研究表明，笑暂时降低质醇和肾素水平。

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

这可能与荷尔蒙变化有关，比如质醇降低。

They looked at the levels of a hormone called cortisol.

他们观察了一种叫做质醇激素水平。

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质醇，这是一种典型压力激素。

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

质醇等应激激素也改变大脑功能，甚至改变我们学习能力。

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

还能减轻疼痛，降低质醇等与压力有关激素水平。