They are using aqueous sodium iodide (ie, a solution of sodium ions and iodine ions).

他们使用的是碘化钠水溶液(即钠离子和碘离子的溶液)。

One sign of iodine deficiency is an increase in size, or swelling, of the neck.

缺碘的一个迹象是脖子变大或肿胀。

Bread and some other foods also had iodine. As a result, iodine deficiency in the U.S. became rare.

面包以及其他一些食物也含有碘。于是，美国的碘缺乏症状就变得罕见了。

For this reason, a range of studies report that omnivores typically meet or exceed the adequate intake for iodine.

由于这个原因，一系列研究报告说，杂食动物通常达到或超过足够的碘摄入量。

Twelve. In the 1920s, salt became a primary tool in the fight against goiter, a thyroid disorder caused by iodine deficiency.

20世纪20年代，盐成为对抗甲状腺肿的主要手，甲状腺肿是一种由碘缺乏导致的甲状腺疾。

She is a leader in the Iodine Global Network, a nongovernmental agency working to end conditions linked to iodine deficiency.

她是Iodine Global Network的负责人，那是一个致力于消除与缺碘有关的疾的非政府机构。

In the last 15 years or so, U.S. researchers have increasingly reported seeing mild iodine deficiency in pregnant women.

在过去15年左右的时间里，美国研究人员越来越多地报告称，孕妇存在轻度缺碘的状况。

There has been some studies on evening primrose, vitamin E, and iodine supplementations.

一些研究探讨了月见草、维生素E和碘补充剂的效果。

So these can block the absorption of iodine in the body.

所以这些可以阻断身体对碘的吸收。

We also know that most of the soil in the U.S. is low in iodine.

我们还了解到，美国大部分土壤的碘含量偏低。

I think iodine has a half-life of 14 years.

我认为碘的半衰期是14年。

The beneficial effects of iodine are not purely cosmetic.

碘的有益作用并不纯粹是美容方面的。

And because of its impact on reducing iodine deficiencies worldwide, quote, table salt is healthier.

而且由于其在全球范围内减少碘缺乏方面的影响，餐桌盐更健康。

Pearce noted there had been a reported 50 percent drop in U.S. iodine levels studied during the 1970s through the 1990s.

皮尔斯指出，据报道，在20世纪70年代到90年代期间，美国的碘水平下降了50%。

A Michigan State University study of about 460 pregnant women found about 25 percent of them were not getting enough.

密歇根州立大学对约460名孕妇进行的一项研究发现，其中约25%的孕妇碘摄入不足。

Decreasing demand for meat and fish, both good natural sources of iodine, is also having an effect.

减少对肉类和鱼类（两者都是碘的良好天然来源）的需求也产生了影响。

It can appear when the thyroid gland grows to make up for too little iodine to produce hormones that control certain body processes.

当甲状腺生长以弥补过少的碘无法产生控制某些身体过程的激素时，这种情况就会发生。

Now, according to the World Health Organisation, the single most important preventable cause of brain damage worldwide is iodine deficiency.

现在， 根据世界卫生组织，全球导致大脑损伤的最主要原因是可以预防的碘缺乏。

Pregnant women, for example, require 50% more iodine than other women to provide enough iodine for their babies.

例如，孕妇需要的碘比其他女性多50%，才能为婴儿提供足够的碘。

As in America, she says, dairy has become a key source of iodine: only 40% of European countries have mandatory salt-iodisation policies.

她说，和美国一样，乳制品已经成为碘的主要来源：只有 40% 的欧洲国家有强制性食盐碘化政策。