I don't know if this information has been posted already or not. So I am going to go ahead and post it myself. In November last year, new "normal" levels were established for the Thyroid Stimulating Hormone test. If you were tested prior to this and were told your levels were normal, but you still are having symptoms, please ask to have the levels checked again using these new standards. I plan on it next time I go to my doctor's office.

Here is a link to the article:

http://www.aace.com/pub/tam2003/press.php