Thyrotoxicosis — excess thyroid hormone levels in the body — has been linked to an increased risk of cognitive disorders among older adults, according to a new study from Johns Hopkins Medicine.

Elevated levels of thyroid hormone appear to harm the aging brain, increasing seniors' risk of dementia or other cognitive disorders, a new study finds. High levels of thyroid hormone -- a condition ...

Your thyroid levels can change if you don't take your medicine regularly. Being pregnant can make your thyroid hormone levels change, so regular testing is needed. Using the same pharmacy for your ...

Thyroid hormones play a fundamental role in cardiovascular function. They influence how the heart responds to adrenaline, how the heart uses energy and how constricted or relaxed blood vessels are.

High TSH levels can mean you have an underactive thyroid or a pituitary gland tumor. Low TSH levels can mean you have an overactive thyroid or issues with the pituitary gland. TSH levels are first ...

Hypothyroidism is when the thyroid gland does not make enough thyroid hormone. Hypoparathyroidism is comparatively rare, where the parathyroid glands behind the thyroid do not produce enough ...

Thyroid hormone replacement is a medication you take to replace hormones if your thyroid isn’t producing enough or if your thyroid has been removed. Thyroid hormone replacement typically involves ...