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 ...

Your thyroid needs iodine from your diet to make important hormones for your body. Eating foods like fish, yogurt, and iodized salt can help you get the right amount of iodine. Too much iodine can ...