Medically reviewed by Isabel Casimiro, MD, PhD Thyroid nodules are lumps (growths) made up of abnormal cell clusters that develop in the thyroid gland, located at the base of your neck. They can be ...

And that may cause the thyroid to swell, he explains. The most common global cause of goiter is iodine deficiency, says ...

Toxic nodular goiter is a specific cause of hyperthyroidism due to one or more abnormal nodules or lumps growing in the thyroid gland. Less common causes include subacute thyroiditis, certain ...

Autoimmune thyroid disease (AITD) causes cellular damage and alters thyroid ... autoimmune thyroid disease in patients with a nodular goiter and for monitoring iodide therapy for endemic goiter.

One of the earliest symptoms of iodine deficiency is goiter ... which is when the thyroid doesn't produce the hormones it typically creates. This can cause symptoms like: "If your diet is low ...

"A century ago, much of northern America was known as the goiter ... causes more than just "cosmetic" issues, said The Washington Post. Iodine is an essential element for humans: it helps the ...

An overactive thyroid, or hyperthyroidism, has symptoms like fatigue, anxiety, and weight loss. Some things that can cause hyperthyroidism include Grave's disease and thyroiditis. If you don't ...