Study suggests TSH levels up to 5.56 mIU/L may reflect normal physiological aging in adults aged 65–84, rather than clinical ...

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 ...

Please provide your email address to receive an email when new articles are posted on . Children with ADHD and higher TSH levels are more likely to have hyperactivity behaviors. Higher levels of serum ...

Please provide your email address to receive an email when new articles are posted on . “The findings reinforce the need to carefully investigate psychiatric disorders in people with subclinical ...

Dear Doctor: My mother and father have hypothyroidism, as do my two younger sisters. Now I've been experiencing symptoms that would indicate thyroid problems. My doctor checked my T3 and TSH levels, ...

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.

When assessing thyroid function, thyroid hormone levels ― particularly free thyroxine (FT4) levels ― consistently show stronger associations with a wide array of clinical conditions than the standard ...

Cross-sectional study of youth aged 12 to 18 years without known thyroid abnormalities from 5 National Health and Nutrition Examination Survey cycles (n = 2818) representing 15.4 million U.S. children ...

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 ...

Your thyroid levels can fluctuate due to inconsistent medication intake. Pregnancy can cause changes in thyroid hormone levels, so regular monitoring is important. Thyroid hormone drugs can vary in ...