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Thyroid Health Blog

Expert articles on thyroid health, Hashimoto's, hypothyroidism, root-cause testing, and functional medicine from Dr. Hilary Rutledge in Wilmington, NC.

Hashimoto's Disease: Causes, Symptoms & Testing

Hashimoto's disease is the most common cause of hypothyroidism. Learn what drives it, the symptoms, and the root-cause testing that standard blood…

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Thyroid Symptoms but Normal Labs: What's Missing

Thyroid symptoms but normal lab results? Learn why a TSH-only screen misses the problem and what a complete thyroid panel reveals. Wilmington,…

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Why Your Thyroid Labs Are Normal But You Feel Terrible (2026)

Your labs are normal but you feel terrible. This is why standard thyroid testing misses the problem — and the specific markers that show what's…

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Root-Cause Thyroid Testing: Beyond Standard Blood Work

Root-cause thyroid testing goes beyond TSH. See the complete thyroid panel, adrenal, gut and food sensitivity testing that finds what standard blood…

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Thyroid Diet Guide: Foods That Help (and Hurt) Hashimoto's (2026)

What you eat matters with Hashimoto's and hypothyroidism. The foods that support thyroid function, the common triggers, and how food sensitivity…

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Is It Hashimoto's? Signs, Tests & Next Steps

Is your thyroid problem Hashimoto's? The signs to watch for, the antibody tests that confirm it, and the root-cause steps that come next. Wilmington,…

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Old Infections and Thyroid Problems

Old infections like Epstein-Barr virus can drive autoimmune thyroid activity. How past infections connect to Hashimoto's — and the testing that…

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Adrenal Stress & Thyroid Function

Chronic stress and adrenal dysfunction can block thyroid hormone from doing its job. How cortisol, DHEA and thyroid connect — and what to…

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Can Stress Cause Hypothyroidism?

Can excess stress cause hypothyroidism? How chronic stress affects cortisol, thyroid conversion and immune function — and what root-cause testing…

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Hormonal Imbalances & Hypothyroidism

Estrogen shifts and hormonal imbalances can trigger hypothyroid symptoms. How hormones connect to thyroid function and what testing…

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Vitamin & Mineral Deficiencies & Thyroid

Iron, selenium, zinc and vitamin D deficiencies can cause or worsen hypothyroidism. Which nutrients matter most and how testing finds the…

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Food Sensitivities & Hypothyroidism

Food sensitivities, poor diet and toxins can drive hypothyroidism — especially Hashimoto's. How diet connects to thyroid function and what testing…

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What Is Hyperthyroidism? Causes, Symptoms & Testing

Hyperthyroidism means an overactive thyroid. Learn the causes, symptoms, and how root-cause testing finds what's driving it. Wilmington,…

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Hashimoto's vs Hypothyroidism: Key Differences

Hashimoto's vs hypothyroidism: one is an autoimmune disease, the other a hormone state. The differences in cause, symptoms, labs and care — explained…

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Thyroid Medication Guide: Levothyroxine vs NP Thyroid

A plain-English comparison of thyroid medications: levothyroxine, desiccated thyroid (NP Thyroid) and combination T4/T3 — what to ask your…

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Thyroid and Weight Gain: Why You Can't Lose Weight

Thyroid and weight gain go together — but not only through calories. How hypothyroidism, reverse T3, food sensitivities and stress stall weight…

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Thyroid and Fertility: The Connection Most Doctors Miss

Thyroid problems can affect fertility and pregnancy long before standard labs flag them. The connection, the markers and what testing…

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Functional Medicine vs Endocrinology for Thyroid Problems

Functional medicine vs endocrinology for thyroid: what each approach tests, how each handles root causes, and which fits stubborn thyroid…

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