纪录片《节食还是截寿》 第43期:增加认知能力

Why should a brain start to generate

为什么大脑在你停止进食时

new nerve cells when you stop feeding it?

开始产生新的神经细胞

If you think about this in evolutionary¹ terms, it makes sense

如果从进化的角度来看是讲得通的

if you're hungry, you'd better increase your cognitive² ability.

如果你饿了 你得增强你的认知能力

That will give you a survival advantage,

如果你能记起食物的位置等等

if you can remember where the location of the food is and so on.

这就使你有了生存的优势

It seems that fasting stresses your grey matter

似乎禁食对你的大脑灰质施压

the way that exercise stresses your muscles.

如同锻炼对你的肌肉施压一样

So hunger really does make you sharper?

所以说饥饿确能使人更聪明吗

Yes. We think so.

我们想是的

Mark's research is starting to point towards a simple conclusion.

马克的研究开始指向一个简单的结论

Alternate day fasting has better effects on the brain

隔日禁食法比起每日低热量饮食法

than does a lower amount of daily calorie restriction³.

对大脑有更好的效果

It's true of mice,

已被小鼠验证

but he needs to do proper human trials

但他需要做恰当的人体测试

to prove it's true in us.

来证明这对我们也是如此

1 evolutionary   

adj.进化的；演化的，演变的；[生]进化论的

参考例句：

• Life has its own evolutionary process.生命有其自身的进化过程。
• These are fascinating questions to be resolved by the evolutionary studies of plants.这些十分吸引人的问题将在研究植物进化过程中得以解决。

2 cognitive   

adj.认知的，认识的，有感知的

参考例句：

• As children grow older,their cognitive processes become sharper.孩子们越长越大，他们的认知过程变得更为敏锐。
• The cognitive psychologist is like the tinker who wants to know how a clock works.认知心理学者倒很像一个需要通晓钟表如何运转的钟表修理匠。

3 restriction   

n.限制，约束

参考例句：

• The park is open to the public without restriction.这个公园对公众开放，没有任何限制。
• The 30 mph speed restriction applies in all built-up areas.每小时限速30英里适用于所有建筑物聚集区。