几乎任何对人体或大脑造成损害的因素——基因突变，脑部损伤——都容易使人们变得更自私，不那么友善。

Almost anything that messes up your body or your brain-10 mutations, brain damage, brain injury-tends to make people more selfish and less kind.

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他们发现与细胞损伤相关的一处标记出现了显著的下降。 这种细胞损伤会造成大脑、肌肉、肝脏和肾脏功能的损害，还会造成皮肤的老化。

They found a significant decrease in a marker associated with cell damage, which can cause impaired brain, muscle, liver and kidney function as well as ageing effects on the skin.

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尽管进食过量会使得大脑呆滞，导致你头脑长期的损伤，可是摄入的卡路里太少，也可以损害大脑的功能。

While overindulging can make the brain sluggish and lead to long-term detriments to your brain, too few calories can also impair brain function.

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