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TSH Levels Explained: Normal, Low, and High

Medically reviewed by Danielle Weiss, MD A doctor can test your TSH levels with a blood test to diagnose thyroid ...
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Is Your Thyroid Reading Normal for Your Age? A Guide to Understanding TSH

Keeping an eye on your thyroid-stimulating hormone (TSH) levels is key to catching any signs of thyroid dysfunction early on. That's because an underactive thyroid (hypothyroidism) or overactive ...