The mountains are an exciting haunt for explorers craving adrenalin.

对渴望肾上腺素飙升的探险者来说，群山是令人兴奋的神往之地。

They lose their sensitivity to serotonin and norepinephrine. Which leads to...? Impaired cognitive function.

会失去对5 羟色胺和正肾上腺素的敏感性 那就会引起认知功能受损。

And releases epinephrine and norepinephrine into the blood making your heart pump faster.

并会向血液中释放肾上腺素和降肾上腺素使你的心跳加。

These glands then release a burst of the neurotransmitter adrenaline.

然后这些腺体释放出神经递质肾上腺素的爆。

My mom's a nurse. I gravitated towards the profession. I like being on my feet. I like people and I like, kind of like the adrenaline rush and sketchy situations.

我妈妈是护士，所以我被这个职业吸引住了。我喜欢奔波，我喜欢人，我喜欢肾上腺素激增和困难的情形。

Could you imagine the adrenaline rush before careening down waves that can be as high as 20 feet?

您能想象一下冲下高达20英尺巨浪时激增的肾上腺素吗？

We'll make phenylephrine red because we know it leaves you congested.

我们会让苯肾上腺素的成像变红，因为我们知道它会让你充血。

He explains that the neurotransmitter dopamine is converted into the neurotransmitter norepinephrine by an enzyme called dopamine beta-hydroxylase, and that blood type O people have higher levels of DBH, so they are prone to anxiety from increased levels of norepinephrine.

他解释神经递质多巴胺通过一种叫做多巴胺-ß-羟化酶的酶转化成神经递质去甲肾上腺素，O 型血的人有高水平的DBH（多巴胺-ß-羟化酶），所以他们容易因去甲肾上腺素的增加而焦虑。

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

许多研究表明，笑会暂时降低皮质醇和肾上腺素的水平。

It's fun to have that adrenalin rush and it makes my blood run cold.

肾上腺素飙升的感觉很有趣，而且它使我的血液冷。

And I always look to see if a decongestant like phenylephrine is in the capsule.

我总是看胶囊成分，是否含有像苯肾上腺素这样的减充血剂。

Must have one of those epi-pen things on her, right?

她身上肯定会有肾上腺素之类的 是吧？

As soon as I get out there, the adrenaline takes over, huh?

我一到那 肾上腺素就会飙升的 嗯?

People at school said it was adrenaline, but, uh...

同学们说那是肾上腺素的作用 但是。

Adrenaline pulsed through my veins as the realization of danger slowly sank in.

作为一种对危险的响应，肾上腺素在我的血管里奔涌着，但也在慢慢地平息下来。

The book, " Burnout" by PhD and DMA, Nagoski twins describes the cycle generally as, enter the stressor like tight turnaround times then cortisol and adrenaline production are triggered from the stressor.

Nagoski 孪兄弟——一位学术型博士和音乐艺术博士——合著的《Burnout》一书中就描述了这种循环：从压力源开始，比如紧张的周转时间，然后触皮质醇和肾上腺素的产。

Back in the Medieval ages, they would throw kids in the river after memorizing something, and it was so that they could actually remember the information better because their adrenaline spiked right after learning.

在中世纪的时候，人们会把孩子们在背下一些东西后扔进河里，这样他们就可以更好地记住信息，因为他们的肾上腺素在学习后立即飙升。

When asked why he free climbs, he said " I'm searching more for that feeling of having done something well and being deeply content — it's more than the quick hit of adrenaline. It's personal."

当被问及为什么要进行自由攀登时，他说：“我更多地是在寻找那种做好一件事并深感满足的感觉——这比肾上腺素的快刺激更重要。这是我个人的感受。”

For example, 2021 research explains that caffeine increases alertness by blocking the brain chemical adenosine (which is what makes you feel tired), while at the same time triggering the release of adrenaline, known as the fight-or-flight hormone.

例如，2021 年的研究解释说，咖啡因通过阻断大脑化学物质腺苷（这是让你感到疲劳的原因）来提高警觉性，同时触肾上腺素的释放，肾上腺素被称为“战斗或逃跑”荷尔蒙。

But on smooth muscle cells that control other blood vessels, there are lots of beta receptors for epinephrine and norepinephrine, and when they are activated, they make the muscles relax, letting more blood flow through.

但是在控制其他血管的平滑肌细胞上，有许多肾上腺素和去甲肾上腺素的β受体，当它们被激时，它们使肌肉放松，让更多的血液流过。