"A century ago, much of northern America was known as the goiter belt," said The Economist. A lack of natural iodine in the soil and water, and an iodine-poor diet, led to the "characteristic neck ...

To help shrink a goiter naturally, reducing your intake of goitrogens may prevent further thyroid disruption, Dr. Quijano-Vega says. This doesn't mean you should swear off these foods entirely ...