NPR News: Why Certain Poor Shepherds In Nativity Scenes Have Huge, Misshapen Throats

Why Certain Poor Shepherds In Nativity Scenes Have Huge, Misshapen Throats
In some historical Nativity scenes, the shepherds have grossly enlarged thyroid glands — also known today as goiter. It's an apparent symbol of their poverty and iodine-deficient diet.

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