What does the thyroid do?

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What is radioactive iodine treatment for thyroid cancer?

Dr Simon Aylwin of London Endocrinology explains that, apart from tablet treatment, the next most common treatment for thyroid overactivity or thyrotoxicosis is radioactive iodine.

Transcript
Apart from medical treatment, tablet treatment, the next most commonly used therapy for thyroid overactivity or thyrotoxicosis is radioactive iodine. So, iodine enters the body and is taken up almost exclusively by the thyroid gland. And that means that attaching a bit of radiation to some iodine is a very effective way of targeting the thyroid.

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