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Podcast: レアジョブ英会話 Daily News Article Podcast
Episode: Doctors worry that iodine deficiency—a dietary problem from the past—is coming back
Description: A century ago, iodine deficiency affected kids across large swaths of the United States. It essentially disappeared after some food makers started adding it to table salt, bread and some other foods, in one of the great public health success stories of the 20th century.
But today, people are getting less iodine because of changes in diet and food manufacturing.
Although most people are still getting enough, researchers have increasingly been reporting low levels of iodine in pregnant women and other people, raising concerns about an impact on their newborns. And there is also a very small, but growing, number...