More than 100 years ago, Americans were becoming deficient in the mineral iodine. It was causing problems like swelling in the neck—called a goiter—which signals that the thyroid had become inflamed ...

In the developed world, iodine deficiency has increased more than fourfold over the past 40 years. Nearly 74 percent of normal, “healthy” adults may no longer consume enough iodine. Coupled with the ...

The 13-year-old boy came to the clinic with a rapidly ballooning neck. Doctors were puzzled.Testing ruled out their first suspicion. But further tests pinpointed what they — and the boy — had been ...

Even a mild level of iodine deficiency during pregnancy is associated with adverse effects on the resulting child's cognitive development, according to a study of 1040 mothers and their offspring in ...