经济学人双语精读｜碘缺乏：可防可控的威协，婴儿智力的隐形杀手

文章预览

点击文章末端“ 阅读原文 ” 获取完整电子版 （ PDF + Word + MP3音频） 每天分享一篇经济学人双语精读 全文翻译+全文注释+长难句分析 背景知识+写作技巧+短语+段落大意+词汇精析 本期同步音频 01 经济学人原文 lodine deficiency :An  avoidable  threat to babies' brains lodine levels are  slipping  in the rich world Simple  fixes  can  avert  disaster 【 1 】 Without  iodine , the  thyroid gland  cannot produce  hormones  that enable the human body and the brain to develop  properly . The  visible consequences  of  iodine deficiency , such as goitres (swellings in the neck), are bad enough. The  invisible  ones are much worse: it can cause a  15 -point drop in IQ. 【 2 】 Such afflictions were once common. A century ago, one in three schoolchildren in Michigan had a  visible  neck  swelling ; in Britain goitres were so  endemic  in some places that the  condition  was known as Derbyshire nec ………………………………