They fortify foods, and there are cases

他们采取各种各样的方式来强化食品
where the fortification is a very good thing.

强化食品本身是件好事
For example, we mentioned before,

例如我们之前提到的
putting iodine in salt helps

在食盐中加碘
prevent certain deficiencies,

来预防碘缺乏
folic acid and certain things helps prevent birth deficiencies;

叶酸等等可以防止生育过程中的叶酸不足
so there's some examples of where fortification

这些强化食物的例子
is a good public health move and there's general consensus

是以提高公共健康为目的
that it's a good idea.

并且已经得到普遍认同
In this case, the vitamins and minerals don't need to be in there

这里维生素和矿物质的添加并非必要
because (a) American children for the most part

因为首先大部分的美国儿童
are not vitamin and mineral deficient,

并不缺乏维生素和矿物质