Why you shouldn't skip T3 in thyroid tests | Antonio Bianco, M.D., Ph.D. This clip is from episode # 373 of The Drive which was released on 11/17/25. In the full episode, we cover: -Causes, symptoms, diagnosis, and treatment options for both hyperthyroidism and hypothyroidism -Testing for thyroid hormones: understanding free vs. total levels, the limitations of current T3 assays, best practices, and more -Thyroid hormone replacement therapy: exploring the evidence gaps, mortality signals, effect