Researchers say future studies could look at the effects of the brain chemical in patients with other psychiatric disorders, such as post-traumatic stress disorder.

研究人员称进一步的研究应关注患有如创伤后紧张症的精神疾病病人使用该大脑化学物质的效果。

An extreme example comes from a study that described a mutation in the enzyme that manufactures the brain chemical serotonin (the neurotransmitter on which antidepressants like Prozac acts).

举一个极端的例子，有一个研究表明，制造大脑化学物质5-羟色胺（“百忧解”等抗抑郁药所调节的神经递质）的酶会发生变异。

And there's a third brain chemical that comes into play.

还有第三种脑化学物质也是不可或缺的。

Dopamine is a brain chemical which produces feelings of satisfaction and pleasure.

多巴胺是大脑中产生满足和快乐的一种化学物质.

S.S.R.I.s are designed to help keep serotonin, a brain chemical, at a continuous level.

选择性5-羟色胺再摄取抑制剂是用来帮助大脑中的一种化学成分——5-羟色胺保持持续水平的。

Tryptophan gets converted into serotonin, a brain chemical that affects mood and behavior.

色氨酸能在人体内转化成五羟色胺，这是一种能够影响人情绪和行为的神经传递质。

The University of Pavia found a brain chemical was likely to be responsible for the first flush of love.

帕维亚大学发现，起初的爱可能是大脑的一种化学物质负责的。

Increased levels of brown fat may also be attributed to an increase in a brain chemical called brain-derived neurotrophic factor [BDNF] found in the sociable mice.

在社会性的小鼠大脑中发现，褐色脂肪的增加可能还归因于大脑中的一种化学物质，称为脑源性神经营养因子。

Lack of light may upset your sleep-wake cycle and other circadian rhythms. And it may cause problems with a brain chemical called serotonin that affects mood.

缺乏光照有可能破坏你的醒睡周期和昼夜节律，还可能改变一种叫血清素的脑化学物质进而影响情绪。

In a new trial at the Mount Sinai School of Medicine in New York, researchers are investigating the use of a nose spray containing a brain chemical called neuropeptide.

纽约西奈山医学院进行一项新的试验，研究人员调查含有神经肽鼻喷剂的使用情况。