This week's headline in The Journal of Nutrition headlined work from scientists at the Center for Disease Control and Prevention: "Some subgroups of reproductive age women in the United States may be at risk for iodine deficiency." US iodine intakes have plummeted from 320 micrograms/day to less than 150 and pregnant women average only just above the deficiency threshold of 150 (at 143).

The report attributes the decline to fewer home-prepared meals and a reduced iodine intake from dairy products.

The Salt Institute editorialized that the report shows that "a substantial portion -- approaching half of all expectant American mothers -- are putting their gestating child at risk of lifetime mental impairment."