This comprehensive educational post collects the basics of thyroid hormone, transport and conversion. T3 action on nuclear receptors Every organ and tissue in your body must maintain a healthy level of T3 hormone activity to function properly. Bloodstream T3 supply… Read More ›
There’s a deep lie behind today’s TSH-based definition of “euthyroid” status and today’s policies of TSH normalization in therapy. The lie is that the loss of the thyroid and the initiation of thyroid hormone dosing has NOT altered and skewed… Read More ›
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… Read More ›
A 2017 article reported research on 11,806 healthy controls and 3,934 thyroidless people treated with L-T4 monotherapy in Sicily, and then did a more in-depth “retrospective longitudinal” study on 119 of the thyroid patients compared to 156 matched controls. They… Read More ›
Table 17.1 in Braverman & Cooper’s 2013 chapter in Werner & Ingbar’s The Thyroid textbook, 10th edition, lists many causes of thyrotoxicosis. One of the interesting causes of thyrotoxicosis, rarely mentioned in public discourse, is “Circulating HCG or Mutant TSHR… Read More ›
This post walks through the process of using the SPINA-Thyr to interpret thyroid lab test results. OVERVIEW SPINA-Thyr is a free diagnostic application. SPINA-Thyr takes thyroid laboratory test values TSH, Free T4 and Free T3 and performs calculations that enable in-depth… Read More ›
Many aspects of biology are incredibly complex. People love simplicity. It’s necessary for a model to reduce a system down to its basic principles and proportions. Pilo’s research study published in 1990 is now cited as the definitive proof of… Read More ›
Doctors today are taught that “the” thyroid secretes T4 and T3 at a ratio of 14:1, or 15:1, and “the” human body converts 80% of its T3 supply from T4. These ratios are now taught and passed on as if they… Read More ›