Or are they a function of the way different societies operate, in which case those values may alter as societies change?

还是不同社会运转的职能方式，如果这样的话，价值观念可能会随着社会而发生变化？

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The team found that when rats were genetically modified to alter the receptor function, the amount of nicotine they consumed escalated greatly -- their brain wasn’t getting the “stop” message.

该小组发现当几代老鼠的受体功能被改变时，对尼古丁的需求就会增加—它们的大脑没有接收到停止信号。

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Instead, the naked viral RNA may alter the function of the cells through a mechanism similar to RNA interference, in which the presence of certain RNA sequences can turn genes on and off.

相反，该病毒的裸rna可以通过一个类似rna干扰的机制，改变细胞功能，其中某些RNA序列可以打开和关闭基因。

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On the contrary, reducing our stress levels is something that we should take very seriously, since chronic stress can affect the ways in which our brains function in the present, and it may seriously alter our brain health in the years to come.

FORBES: Could Stress Lead to Dementia? (Yes, But Read This Before You Panic)