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 ...

Normal thyroid-stimulating hormone (TSH) levels generally fall between 0.5 and 5.0 milliunits per liter (mU/L). If your TSH level is higher than 5.0 mU/L it suggests an underactive thyroid, or ...