Tag: Neck swelling

Worldwide, iodine deficiency remains the most common cause of goiter, leading to a noticeable swelling of the neck due to an enlarged thyroid gland. This critical mineral is essential for thyroid function and hormone production.

Globally, iodine deficiency remains the most common cause of goiter, which is the primary deficiency disease that causes swelling of the neck. This condition arises when the thyroid gland enlarges in an attempt to produce sufficient thyroid hormones despite a shortage of this vital mineral.

According to the World Health Organization, iodine deficiency is the most common cause of goiter worldwide, affecting an estimated 2.2 billion people. This nutritional deficiency is the primary answer to the question: **What deficiency causes swelling in the neck?** It forces the thyroid gland to enlarge in an attempt to capture enough iodine to produce thyroid hormones.