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TSH Levels: What High and Low Levels Mean
Normal thyroid-stimulating hormone (TSH) levels generally fall between 0.5 and 5.0 milliunits per liter (mU/L). If your TSH level is higher than 5.0 mU/L it suggests an underactive thyroid, or ...
Verywell Health on MSN
What a T4 (thyroxine) test tells you about your health
Eun Lee, MD Key Takeaways A T4 test checks thyroid function by measuring thyroxine levels.Symptoms of high T4 include a fast ...
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