Patients with schizophrenia often have elevated levels of serotonin in the brain.

患有精神分裂症病人大脑通常拥有较高血清素水平。

Serotonin is involved in mood regulation. Serotonin transporters are crucial to this job.

血清素调节有关。而血清素转运体在其中作用至关重要。

Is it Cortisol, testosterone, insulin or serotonin. You've got three seconds, go!

是皮质醇、睾丸素、胰岛素还是血清素？你有3秒钟时间，开始！

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

会失去对5 羟胺和正肾上腺素敏感性 那就会引起认知功能受损。

Well, exercise releases an important blend of mood altering hormones including dopamine, serotonin and norepinephrine.

通过锻炼，人体会释放一些重要调节激素，包括多巴胺、血清素和降肾上腺素。

First, it optimizes the levels of neurotransmitters like serotonin, norepinephrine, and dopamine.

首先，它能优化神经递质水平，如血清素、去甲肾上腺素和多巴胺。

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

酪酸是合成多巴胺、去甲肾上腺素所必须；酸是合成神经递质血清素所必须。

Specifically, the genes that express your serotonin receptors.

更准确地说，是表达血清素受体基因。

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

除了可以增加多巴胺外，锻炼还能提高体内去甲肾上腺素以及 5-羟胺水平。

This mood-depressing drug also reduced brain levels of norepinephrine, dopamine, and serotonin.

这种抑制药物还能降低大脑中去甲肾上腺素、多巴胺和 5-羟胺水平。

Because MDMA affects serotonin, a nervous system chemical.

这是因为MDMA会影响一种名为“血清素”神经系统化学物质。

The other looks at how a brain chemical called serotonin regulates the patience of rats.

而另一个则是研究大脑中一种叫血清素化学物质如何调整老鼠耐受力。

It contains tryptophan, a chemical in the brain that is used to produce serotonin.

它含有酸，即一种在大脑中用来产生血清素化学物质。

You've probably heard of a couple of these neurotransmitters—serotonin and norepinephrine.

或许你可能听过几种神经递质介质——5-羟胺降肾上腺素。

One of those relief-providing chemicals is serotonin, a neurotransmitter.

提供缓解化学物质之一是血清素，一种神经递质。

But that serotonin also makes it easier for the itch signal to be re-triggered again.

但是血清素也使得瘙痒信号更容易再次被触发。

Varying levels of neutron transmitters like GABA, serotonin, and dopamine may also be to blame.

伽马基丁酸、血清素和多巴胺等不同水平中子传递素也可能是罪魁祸首。

Having the G allele means you'll have a lower level of serotonin in your brain.

拥有G等位基因意味着你大脑中血清素含量较低。

Once it hits your bloodstream, it targets three major neurotransmitters — serotonin, dopamine, and norepinephrine.

一旦它进入你血液，它就会瞄准三种主要神经递质——血清素、多巴胺和去甲肾上腺素。

What happens is your serotonin levels are down and melatonin which makes you sleepy, that's up.

于是血清素水平下降，褪黑素上升，让你犯困。