The Liz Moody Podcast

The REAL Root Causes of Thyroid Issues—And How to Actually Fix Them

4 snips
Aug 20, 2025
Guest
Izabella Wentz
Dr. Izabella Wentz, a New York Times bestselling author and leading thyroid expert, discusses rising thyroid issues and offers insights on managing them. She highlights the overlooked root causes such as diet and stress, and emphasizes the need for comprehensive testing. Listeners learn how to adjust their treatment plans, the significance of gut health, and the impact of environmental toxins. Wentz also shares practical tips for maintaining thyroid health, including dietary changes and self-compassion techniques, making crucial connections to overall wellness.
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ANECDOTE

Personal Hashimoto's Journey

  • Izabella Wentz described a decade of worsening symptoms before diagnosis, including hair loss, panic attacks, fatigue, and GI issues.
  • She used her own healing journey to investigate root causes beyond medication and became the "thyroid pharmacist."
INSIGHT

Autoimmunity Drives Most Thyroid Disease

  • Over 90% of hypothyroidism cases in Western countries are autoimmune (Hashimoto's).
  • Other causes exist but are far less common than autoimmune-driven dysfunction.
ADVICE

Request Thyroid Antibody Tests

  • Ask your doctor to test TPO and thyroglobulin (TG) antibodies to check for autoimmune thyroid disease.
  • Identifying antibodies changes management toward addressing autoimmunity, not just hormones.
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