来自《耶鲁大学开放课程：有关食物的心理学、生物学和政治学 第3集 第3集》

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  and in some cases they're being consumed in large amounts
  某些情况下 矿物质的消耗量会很大
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  and some in small amounts.
  而在另一些情况下则很小
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  There are very important public health victories
  公共健康领域的一系列重大胜利
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  that have occurred along the way with supplementation of these sort of things.
  就是在食物添加矿物质的历程中取得的
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  So iodine deficiency was a real problem
  碘缺乏曾经是个大问题
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  and then salt started getting fortified with iodine,
  随着加碘盐的逐渐普及
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  and that really corrected a lot of those deficiency problems around the world.
  使得全球诸多碘缺乏问题得到了改善
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  And so there are good things you can do with nutrients
  这些是在食物中添加微量元素
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  by fortifying foods with them.
  所能得到的益处
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  But of course, there can be abuse of these when the food industry
  但是 当食品工业在食物中加入了
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  puts stuff in foods it doesn't really need to be there,
  原本并不需要的成分
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  and then they overstate the value of them and we'll talk about that,
  并夸大其作用时 自然也会反受其害