Medically reviewed by Kelly Wood, MD Key Takeaways High TSH levels usually mean the thyroid is underactive, which is called hypothyroidism.  TSH levels can change due to factors like age, sex, and ...

We were unable to process your request. Please try again later. If you continue to have this issue please contact customerservice@slackinc.com. Other cardiovascular events and death from CV causes ...

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 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.

Researchers in Israel have defined the natural history of abnormal TSH levels in children. “The most significant finding [of this study] is that the majority of children who progressed to overt ...

The key to managing hypothyroidism is establishing the primary cause and determining whether the disorder is persistent or transient. This statistic may surprise you: Hypothyroidism is the second most ...

Dear Dr. Roach: Our question has to do with the “normal ranges” for blood test results. Aren’t there standard normal ranges? We have had blood tests done at several different labs in the past few ...

Switching between generic levothyroxine products won't make much of a clinical difference, a new study suggested. In a comparative effectiveness research study of 15,829 patients, those who switched ...

Women with higher-than-normal thyroid-stimulating hormone (TSH) levels before starting in vitro fertilization (IVF) may have fewer eggs available for treatment. But according to new research from ...

Suboptimal treatment of primary hypothyroidism may increase the risk of worse hospital outcomes, new research suggests. The risks, including longer length of stay (LOS) and higher readmission rates, ...