Q: I had a thyroidectomy a few years ago, and have been taking levothyroxine daily since then. My dose has been stable. While ...

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 ...

Accurately diagnosing thyroid function is critical to avoid harms of unnecessary treatment. This study found that age-, sex-, and race-specific reference intervals reclassified nearly half of patients ...

Researchers published the study covered in this summary on Research Square as a preprint that has not yet been peer reviewed. There was an inverse relationship between blood levels of ...

A patient with subclinical hypothyroidism has a very high thyroid-stimulating hormone (TSH), but his other thyroid function tests (triiodothyronine, thyroxine, etc.) are normal. His insurer will not ...

Basophils are white blood cells that the bone marrow makes. They play a role in a healthy immune system. Levels that are higher or lower than usual may be a sign of inflammation, hyperthyroidism, or ...

You generally don’t need to fast before a thyroid test, but a healthcare professional may advise you to prepare in other ways. The thyroid gland sits at the front of your neck and helps control your ...