Why “normal range” doesn’t always mean healthy on your lab results Your doctor says everything looks fine, but you still feel ...

A randomized crossover trial evaluated the efficacy of different l-thyroxine dosing strategies and different target thyroid-stimulating hormone (TSH) ranges in patients with treated hypothyroidism.

Dear Dr. Roach • I’m a 69-year-old woman with hypothyroidism. Although my TSH score is in the high-normal range, a new doctor recently increased my dosage of levothyroxine just slightly because of ...

New research suggests that a slightly underactive thyroid may affect a women's ability to become pregnant -- even when the gland is functioning at the low end of the normal range. New research ...