Iodide: Importance for Human Health and Medical Imaging, and the Risks of Deficiency and Excess

Iodide

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Iodide refers to an ion of iodine that has an extra electron, giving it a negative charge of -1. Iodide can be found naturally in seawater and certain foods like seaweed. It is an important element for human health as it is necessary for the production of thyroid hormones, which regulate metabolism and growth. Deficiency in iodide can lead to a condition called goiter, causing enlargement of the thyroid gland. Iodide can also be used as a contrast agent in medical imaging procedures such as X-rays and CT scans. However, excessive consumption of iodide can be harmful and cause thyroid dysfunction. Therefore, it is important to maintain a balanced intake of iodide through the diet and/or supplements, as recommended by healthcare professionals.

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