Testing ruled out their first suspicion. But further tests pinpointed what they — and the boy — had been missing: iodine. A century ago, iodine deficiency affected kids across large swaths of ...

A lack of natural iodine in the soil and water, and an iodine-poor diet, led to the "characteristic neck swellings": enlarged thyroid glands. But after iodine supplements were shown to help ...

Testing ruled out their first suspicion. But further tests pinpointed what they — and the boy — had been missing: iodine. A century ago, iodine deficiency affected kids across large swaths of ...

What are the exact mechanisms behind this abnormality, and can prompt initiation of maternal iodine supplementation prevent this adverse effect? The study of Berbel et al. is just one of many that ...