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

血清素与情绪调节有关。血清素转运体在其中作用至关重要。

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

酪氨酸是合成多巴胺、去甲肾上腺素所必须；色氨酸是合成神经递质血清素所必须。

3.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。

4.One widespread impression among the public is that depression is caused by having too little serotonin.

公众普遍认为抑郁症是由血清素过。

5.Because MDMA affects serotonin, a nervous system chemical.

这是因为MDMA会影响一种名为“血清素”神经系统化物质。

6.Specifically, the genes that express your serotonin receptors.

更准确地说，是表达血清素受体基因。

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

提供缓解化物质之一是血清素，一种神经递质。

8.Serotonin is one of the oldest neurotransmitters.

“血清素是最古老神经递质之一。”

9.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！

10.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敏感性 那就会认知功能受损。

11.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。

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

这种抑制情绪药物还能降低大脑中去甲肾上腺素、多巴胺和 5-羟色胺水平。

13.SSRI's help regulate serotonin levels in the brain, while SNRIs help regulate serotonin, norepinephrine and dopamine, to manage anxiety.

SSRIs帮助调节大脑中5-羟色胺水平，SNRIs帮助调节5-羟色胺、去甲肾上腺素和多巴胺水平，以调节焦虑。

14.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-羟色胺与降肾上腺素。

15.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情绪调节激素，包括多巴胺、血清素和降肾上腺素。

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

它含有色氨酸，即一种在大脑中用来产生血清素化物质。

17.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。

18.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-羟色胺水平。

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

另一个则是研究大脑中一种叫血清素化物质如何调整老鼠耐受力。

20.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。