半数的小鼠缺乏一种制造腺苷酸受体的基因，这种受体沿着(动物的)主要神经分布。
Half of the mice lacked a gene that is needed to make adenosine receptors, which are dotted along major nerves.
在杂志发表的内容中，内德·戈德的研究小组描述了针灸是怎样使三分之二的正常小鼠减缓疼痛，而无法在缺乏腺苷酸受体基因的对照组小鼠身上生效的。
Writing in the journal, Nedergaard's team describe how acupuncture reduced pain by two thirds in normal mice, but had no effect on the discomfort of mice that lacked the adenosine receptor gene.
人体不能合成色氨酸，而这种氨基酸的缺乏会导致睡眠失调，引发更严重的紧张和焦虑。
The body can not make tryptophan and a lack of this amino acid can result in sleep disorders which lead to higher levels of anxiety and stress.
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