This form of salt, known as iodized salt, first became available in 1924.

这种类型被称为加碘，在1924年首次出现。

So our other main dietary sources are dairy eggs, and outside of the UK iodized salt.

所以我们主要饮食来源是奶制品，鸡蛋，以及英国以外碘。

I think that you should probably kick the iodized salt as far as you can away from you.

我觉你最好把加碘越远越好。

It's also added to animal feed, so our other main dietary sources are dairy, eggs and, outside of the UK, iodised salt.

它也被加到动物饲料中， 因此我们主要膳食来源是奶制品、鸡蛋，以及在英国以外地区， 碘。

Iodized salt became common in American kitchens, and cases of goiter nearly disappeared. Today, only about 53 percent of table salt sold through retail is iodized.

加碘在美国厨房变很普遍，甲状腺肿病例几乎消失了。如今，零售食中只有53%是碘化。

After trials showed that supplements of iodine could prevent goitre, iodised salt was rolled out commercially in 1924, starting in grocery stores in Michigan.

试验表明， 补充碘可以预防甲状腺肿，碘于 1924 年开始商业化销售，首先在密歇根州杂货店销售。

Most live in environments with low natural iodine levels (such as in parts of sub-Saharan Africa and South-East Asia), or in countries without universal access to iodised salt.

大多数人生活在天然碘含量较低环境中（例如撒哈拉以南非洲和东南亚部分地区），或生活在无法普遍获碘国家。