leading the thyroid to grow diffusely into a goiter. Around 2.2 billion people don’t get enough iodine in their diet. Thyroiditis This is inflammation of the thyroid gland, which can cause it ...
"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 ...