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 receiving 'replacement' doses of levothyroxine." Just look at that title. They began their title with … Continue reading Ingbar and Braverman’s historic study of LT4 monotherapy
For many decades, scientists have been studying the effect of thyroid hormones in promoting cancer proliferation. Confusion and contradictions often arise in "cancer & thyroid" research reviews because the relationship between cancer and thyroid hormones is very complex. For example, a recent review of science since the 1940s attempted to reclassify research findings under poorly … Continue reading Cancer scientists point finger at T4 & RT3 hormones
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 and local T3 action powerfully influences how every organ operates, from our liver to our … Continue reading The basics of thyroid hormone action, transport and conversion
Finally! In the past, the overemphasis on hyperthyroidism and thyrotoxicosis and heart diseases has made many doctors think that only excess T3 and T4 is bad for the heart. We finally have an article that focuses on the real cause-effect relationships on the opposite end of the thyroid dysfunction spectrum: HYPOthyroidism. This May 2019 article … Continue reading The impact of thyroid hormone dysfunction on ischemic heart disease, and how T3 therapy may help
Published August 2018, a new study of T4 and T3 hormones and obesity in relation to breast cancer risk found that higher levels of T4 hormone conferred greater risk, while higher T3 levels had a protective effect. The article Ortega-Olvera, C., Ulloa-Aguirre, A., Ángeles-Llerenas, A., Mainero-Ratchelous, F. E., González-Acevedo, C. E., Hernández-Blanco, M. de L., … Continue reading 2018 study on T4 and T3 in breast cancer
