Goiter is an abnormal enlargement of the thyroid gland, the butterfly-shaped gland at the base of the neck. While iodine deficiency is a major global cause, both too little and too much iodine can ...

The established theory is that goiter is due to lack of iodine in food & drink. Iodine stimulates the thyroid gland. In goiter the thyroid swells to compensate for its iodine insufficiency. Dr. C.

If you've ever noticed a lump at the base of your neck, it could be a sign of goiter, an abnormal enlargement of the thyroid gland. The condition is more common after age 40, and affects more women ...

"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 ...