The mountains are an exciting haunt for explorers craving adrenalin.

对渴望肾上腺素飙升的探险，群山是令人兴奋的神往之地。

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

你的肾上腺会释放压力荷尔蒙皮质醇，肾上腺素，以及去甲肾上腺素。

Norepinephrine has substantial effects on focus, attention, vigilance and it improves mood.

去甲肾上腺素对人的专注度、注意力和警觉性都有显著影响，而且可以改善情绪。

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速。

These glands then release a burst of the neurotransmitter adrenaline.

后这些腺体释放出神经递质肾上腺素的爆发。

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

会失去对5 和正肾上腺素的敏感性 那就会引起认知功能受损。

Tyrosine is needed to synthesize dopamine and norepinephrine, and tryptophan is needed to synthesize the neurotransmitter serotonin.

酪氨酸是合成多巴、去甲肾上腺素所必须的；氨酸是合成神经递质血清素所必须的。

Aside from its positive effects on dopamine, exercise also elevates levels of norepinephrine and serotonin.

除了可以增加多巴外，锻炼还能提高体内的去甲肾上腺素以及 5-水平。

Higher levels of norepinephrine also apparently causes a tendency towards anger and aggression.

高水平的去甲肾上腺素能显著导致愤怒和攻击的倾向。

Doctors had tested them for the ALD gene when they were small babies.

医生在他们还是婴儿时，对他们身上的肾上腺脑白质营养不良基因进行了测试。

It led to further similarly conclusive studies that phenylephrine was ineffective.

这导致了进一步类似的结论性研究，即苯肾上腺素是无效的。

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。

Or if you see a lion you need to release a lot of adrenaline.

如果你看到一只狮子，你需要释放大量的肾上腺素。

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 will immediately increase noradrenaline in the body to activate our fight and flight system.

它会立即增加体内的去甲肾上腺素，以激活我们的战斗和逃跑系统。

We will have a huge increase by 2.5-fold of noradrenaline within a few minutes.

我们会在几分钟内大量增加 2.5 倍的去甲肾上腺素。

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，而且它使我的血液发冷。

But you do not need your adrenal cortex spouting off all the time.

但是你不需要你的肾上腺皮质一直喷涌。

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？