A thyroid-stimulating immunoglobulin (TSI) test is a blood test that can help diagnose Graves’ disease, an autoimmune condition that causes an overactive thyroid. A TSI test measures levels of TSIs in ...

Thyroid blood tests help figure out how well your thyroid gland is working. TSH helps the thyroid gland know when to make ...

Subclinical hyperthyroidism means that a person has low or undetectable levels of thyroid-stimulating hormone (TSH) with normal levels of free thyroid hormones. It usually does not cause symptoms. The ...

Plus, when to see a doctor.

Accurately diagnosing thyroid function is critical to avoid harms of unnecessary treatment. This study found that age-, sex-, and race-specific reference intervals reclassified nearly half of patients ...

Secondary hyperthyroidism occurs when the thyroid gland produces too much thyroid hormone. It can often be caused by a benign tumor of the pituitary gland. The primary treatment option is surgery.

Please provide your email address to receive an email when new articles are posted on . Researchers created thyroid function reference ranges adjusted for age, sex and racial-ethnic background. Using ...

Thyroid disease is common, yet many of the symptoms are nonspecific. Here, the number-one sign your thyroid is off that ...