Do You Really Need To Take Iodine Supplements?

Recently, our pals at Goop brought the oft-forgotten mineral iodine to the front of our minds. According to Gwyneth's "medical medium" and the spirits that talk to him (yep), we should all be taking iodine supplements to stave off a supposedly-inevitable thyroid disease and boost our immune systems. But we're not sold yet. (We prefer to get our health advice from, at minimum, the living.) Here's what you really need to know about iodine and why it's so essential. As Jen Gunter, MD,...