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Goiter is an enlargement of the thyroid gland causing swelling in the neck. It is rare in industrialized countries such as Canada, but is still common in some parts of the world.



The thyroid is a gland located in the neck, just below the Adam's apple. Hormones produced by the thyroid regulate metabolism, influence heart rate and control body temperature, among other things. As a result of certain disorders, the thyroid can become enlarged. This is known as goiter. It is quite common, particularly in women and the elderly.
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