The thyroid is a butterfly-shaped gland that sits in the front of the neck. It produces hormones that are essential for heart rate, digestion, mood, and other functions crucial to human health.

Thyroxine (T4) is the main hormone your thyroid makes. Your thyroid hormones are important because they control how your body uses energy from the food you eat. (Photo Credit: iStock/Getty Images) T4 ...

Thyroid level tests, including the TSH test, help doctors diagnose thyroid conditions, including hypothyroidism or hyperthyroidism. Treatment may include hormones or other medications. The thyroid is ...

Approximately a third of older patients treated with thyroid hormones report the concurrent use of medications that can interfere with the accuracy of thyroid function tests, potentially compromising ...

The widespread use of biotin supplements in the general population, particularly at high doses for therapeutic and nutritional purposes, has raised concerns regarding its interference in immunoassays.

Thyroid disorders are far more common in women than men, and their impact goes well beyond weight changes or fatigue. In clinical practice, many women first discover an underlying thyroid problem when ...

ORLANDO, Fla. — Steering clinicians toward a cascade approach for thyroid function testing cut unnecessary orders by a monthly average of 15% and concurrent orders by 19% per month, according to ...