The human body is complex, and hormones are the key messengers that conduct millions of processes. Of these, thyroid hormones occupy a very special place, controlling everything from our energy and ...
The thyroid-stimulating hormone (TSH) test measures the amount of TSH in the blood to convey how well a person’s thyroid functions. Normal levels are typically 0.4 to 4.0 milliunits per liter (mU/L) ...