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Tag: TSH and free T4

July 25, 2026

Hashimoto’s Thyroiditis Testing: Antibodies vs Function

Hashimoto’s thyroiditis testing answers two different questions: Is an autoimmune process affecting the thyroid, and is the thyroid currently producing enough hormone? Understanding that distinction can prevent a positive antibody result from being mistaken for […]

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July 19, 2026

Why Autoimmune Diseases Rise Sharply After Age 50: What Midlife Adults Need to Know

How immune aging, menopause, cumulative exposures, and targeted lab testing can shape new autoimmune symptoms in midlife.

“Why did my autoimmune disease show up now, after 50?” That question is common—and understandable. A new diagnosis in midlife can feel as though the immune system suddenly changed course. In reality, age 50 is […]

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July 15, 2026

Rapid Weight Loss, GLP-1 Medications, and “Toxin Release”: What Patients Should Know

What rapid fat loss may—and may not—release, how GLP-1 side effects can affect hydration and nutrition, and which lab tests may support informed monitoring.

Rapid weight loss with medications such as semaglutide and tirzepatide can lead to meaningful changes in body weight, appetite, blood sugar, and cardiometabolic health. Semaglutide is a glucagon-like peptide-1 receptor agonist, commonly called a GLP-1 […]

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July 12, 2026

Assessing Nutrient Absorption in Digestive Disorders with Key Blood Tests

How blood tests reveal iron, vitamin B12, folate, vitamin D, and mineral deficiencies associated with digestive malabsorption.

Digestive symptoms do not always remain limited to the stomach or intestines. When a digestive disorder interferes with the breakdown or absorption of food, the effects may appear throughout the body as fatigue, anemia, brain […]

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