knowledge about what's healthy to eat, and the like;

影响人们对健康食物的了解诸如此类
and so the brain and the environment are mismatched at this time and

因此大脑和环境在当今并不匹配
that's created havoc in a lot of different ways that we'll talk about.

这从很多不同的方面造成了灾难
We can think about this in an evolutionary way,

我们可以从生物演化的角度来看这个问题
as I've alluded to a lot,

我已经提到过很多了
but if you think about it from a completely Darwinian point of view,

但是如果你完全从达尔文学说的角度思考
and you think about these food conditions

从食品条件想想
where food would be scarce in ancient times.

在古代哪里可能出现食物短缺
Who were the organisms that would survive those conditions

什么生物体可以在那样的条件下存活
and then contribute to the gene pool?

这又会导致基因库怎样的改变
Well they're the ones who would do these things--

有人做了一些事情
the behavior things that we mentioned before.

就是我们之前提到的一些行为