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A groundbreaking B vitamin therapy is offering hope for autism. Discover how folinic acid may bypass a hidden brain-folate problem and improve symptoms.

You're taking your meds. Your labs look “normal.” So why are fatigue, brain fog, and weight struggles still dragging you down? The answer might lie in your body’s ability—or inability—to convert T4 into the active T3 hormone. Learn how a common genetic variation and overlooked lab values could be keeping you from feeling your best—and what to do about it.

Polyautoimmunity occurs when your immune system targets multiple organs or tissues, resulting in two or more autoimmune diseases that are functionally connected—not just coexisting. Think Hashimoto’s plus celiac disease or Type 1 diabetes. Learn why this immune cascade happens, the latest research behind it, and how identifying root causes like gut imbalance, infections, and toxins can help bring your immune system back into balance.

Iodine is a vital mineral your thyroid needs to function properly—but both deficiency and excess can spell trouble. Dr. Stengler explores why iodine levels are dropping in modern diets, who’s most at risk, and how to safely assess your intake. Learn the signs of deficiency, how to test your levels, and why balance—not megadosing—is key to optimal thyroid health.

New research is shedding light on a surprising connection between your digestive system and your thyroid. If you’ve been diagnosed with Hashimoto’s—or struggle with hypothyroid symptoms despite treatment—you may be dealing with leaky gut and gut microbiome imbalances. Discover how proteins like zonulin, gut bacteria shifts, and even your diet may be influencing your thyroid health—and why healing your gut could be a key part of your Hashimoto’s treatment plan.

If you’re taking levothyroxine (Synthroid, Levoxyl, etc.) but still feel fatigued, foggy, or can’t lose weight—despite “normal” labs—you’re not alone. Studies show that 10–20% of people on standard T4-only therapy continue to struggle. New research and clinical experience are reviving interest in T3 thyroid replacement as part of combination therapy, a more personalized approach that supports better symptom control. Learn how T3 works, who may benefit, and why it's worth discussing with your doctor.

Iodine is essential for thyroid health—but taking too much can do more harm than good. While some holistic trends promote high-dose iodine for immune support and hormone balance, the science shows a clear risk: over-supplementation may trigger hypothyroidism, thyroid autoimmunity, and oxidative stress. Learn how to find the right balance and why more isn’t always better when it comes to this powerful mineral.