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nicuramar t1_j93jshy wrote

Reply to comment by Bbrhuft in Why does the thyroid use iodine ? by geistererscheinung

> It’s a bit of a mystery.

But

> The reason why iodine was used, is that molecules that contain iodine are highly reactive and often powerful antioxidants,

So, it’s not a mystery? Or just not a mystery why it was originally used, but rather how it was retained?

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