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 ...

The sea also offers some healthy plant-based foods like seaweed that are rich in iron, magnesium, and iodine. Sea moss, also ...

They are rich in iodine, which is essential for thyroid health. They are also a good source of other minerals such as calcium, magnesium, and iron. Sea kelp supplements are also believed to have ...