High TSH levels can mean you have an underactive thyroid or a pituitary gland tumor. Low TSH levels can mean you have an overactive thyroid or issues with the pituitary gland. TSH levels are first ...
Verywell Health on MSN
TSH levels decoded and what's considered normal
Medically reviewed by Kelly Wood, MD Key Takeaways TSH influences thyroid hormones that control heart rate, metabolism, sleep ...
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