Biochemical pathway maps are an important aspect of medical education and medical problem-solving. They help us to view a network or series of chemical reactions in cells. In this article, I present a comprehensive science-based pathway map showing all the… Read More ›
Thyroid Hormones
The leaky buckets analogy of thyroid hormone metabolism
Thyroid hormone metabolism is a very complicated system. A visual analogy sometimes goes a long way to assist comprehension. Throughout the body, there are at least six major pathways for T4 transformation or excretion, and at least six major pathways… Read More ›
Focusing on T3: The T3 hormone or the LT3 pharmaceutical?
Who needs “T3”? We received a friendly and well-intended comment lately. It illustrated that in today’s Global English, we sometimes have a hard time defining and understanding what “T3” means when a person is talking about T3. Are they talking… Read More ›
Winter T3 loss: Why it matters to thyroid patients
It’s April. You’re a thyroid-hormone treated person with a thyroid disability on a fixed budget of thyroid hormone. Have you been feeling hypothyroid in the past few months? If so, you’re not alone. If not, thank your thyroid, or your… Read More ›
Ingbar and Braverman’s historic study of LT4 monotherapy
As part of my post on “The thyroid gland is a T3 shield,” I reviewed a research article by Ingbar and team from 1982. Wow. What a treasure. The title of this article is “Elevated serum thyroxine concentration in patients… Read More ›
Reverse T3 in the context of health status, dosages, and thyroid levels
A collection of research graphs and quotations showing diverse Reverse T3 levels coexisting with health, in various illnesses, and alongside various T3 and T4 levels.
Anderson, 2020: Thyroid hormones and atrial fibrillation
Atrial fibrillation is a cardiac rhythm disorder that significantly elevates the risk of stroke as well as stroke severity. Thyroid hormone excess caused by hyperthyroidism is often named as one of the risk factors for atrial fibrillation. However, it does… Read More ›
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… Read More ›