Doctors Worry That Iodine Deficiency — a Dietary Problem From the Past

NEW YORK (AP) — 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 missing: iodine. A century ago, iodine deficiency affected kids across large swaths of …