Zach is a freelance writer, restaurant owner, and lifestyle expert. Since 2009, he has covered everything from pop ...

A radioactive iodine uptake test, or RAIU, is typically performed with a thyroid scan to help determine thyroid health and functioning. The test helps your healthcare provider see how much radioactive ...

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 ...

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 ...