Thyroid blood tests help figure out how well your thyroid gland is working. TSH helps the thyroid gland know when to make more thyroid hormones. Free T4 is the type of hormone that becomes active when ...

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 ...

The scenario is fairly common: you are in your medical provider’s office for a checkup and also happen to be getting lab work done. You report that you have no symptoms of feeling cold or fatigue, ...

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.

Consult a doctor before thyroid testing; many symptoms overlap with other conditions, risking misdiagnosis and unnecessary treatment.

RADIOIODINE (I131) has been used extensively in the diagnosis of thyroid disorders, and many tests have been developed. 1–3 Most of these tests are based on two aspects of thyroid activity: the ...

Thyroxine (T4) levels differ from person to person but usually exist within a consistent range. Abnormal T4 levels can lead to various symptoms and complications, including mental health and digestive ...

A thyroid scan is a specialized imaging procedure for examining your thyroid, the gland that controls your metabolism. It’s located in the front part of your neck. Typically, the scan works with ...

Please provide your email address to receive an email when new articles are posted on . LOS ANGELES — Medications, supplements, excessive iodine intake and other exogenous substances including ...

What does your thyroid do? Your thyroid gland influences almost all metabolic processes in your body through the hormones it makes. Your thyroid gland is part of your endocrine system. When your ...