Thyroid gland
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The thyroid gland is a T3 shield. Defend the unshielded.

You might have heard of a “thyroid shield,” the flexible lead barrier that you wear when you get X-rays taken of your body, neck or teeth. It’s a good time to remind you to ask for one whenever you’re at risk of xray exposure to the thyroid, which can cause thyroid cancer. But today my…
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Summary: T3 secretion and T4-T3 conversion

My article published May 4, 2020, “Thyroid T3 secretion compensates for T4-T3 conversion” has received very strong positive feedback. People are saying that it’s a ground-breaking, game-changing article on the HPT axis in health versus thyroid disease, and that it ought to be essential reading. In a nutshell, my long article re-analyzes the published data…
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Non-surgical therapies for thyroid nodules and cysts

Most doctors in North America know of two ways to deal with thyroid nodules. 1) watch them grow and wait, doing nothing, and 2) thyroidectomy, removing part or all of the thyroid gland that is affected. However, in countries beyond North America, mainly Korea and Italy, endocrinologists and other specialists have developed additional treatments for…
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Stop spreading the unscientific myth about the normal T4:T3 ratio!

Sigh. Just sigh. Even some of our best thyroid patient advocates can unknowingly share misinformation about thyroid therapy. Mary Shomon’s thyroid articles on Verywell.com are usually to be trusted. But yesterday I was saddened to see that an article supposedly authored by Mary Shomon was spreading unscientific myths about “normal” thyroid secretion ratios being 13:1…

