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Thyroid blood tests: Types and what results mean

Thyroid blood tests help figure out how well your thyroid gland is working. TSH helps the thyroid gland know when to make ...
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TSH levels decoded and what's considered normal

TSH influences thyroid hormones that control heart rate, metabolism, sleep, and mood. High TSH levels usually mean the thyroid is underactive, which is called hypothyroidism. Low TSH levels suggest an ...