Medically reviewed by Kelly Wood, MD Key Takeaways TSH influences thyroid hormones that control heart rate, metabolism, sleep ...

Medically reviewed by Danielle Weiss, MD Low TSH levels may suggest hyperthyroidism, which causes symptoms like weight loss and increased appetite.High TSH levels can be a sign of hypothyroidism, with ...

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.

After her last child was born more than 20 years ago, Eugenie Kippes of Los Gatos started putting on weight and feeling depressed and exhausted. Even the skin on her legs turned scaly and dry. She ...

Levels of thyroid function considered "normal" were still associated with increased mortality, according to a study suggesting that cardiovascular disease (CVD) plays an important role. People ...

A slightly underactive thyroid gland, the low end of normal, may help to explain some infertility of unknown cause, according to findings of a cross-sectional study published online in the Journal 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 ...

A new study published yesterday in the Journal of Clinical Endocrinology & Metabolism (JCEM), an online journal from the Endocrine Society, suggests that a slightly underactive thyroid may affect the ...

WASHINGTON--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, according ...