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 ...

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 ...

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 ...

Whether clinicians are accurately diagnosing thyroid disease was at issue for Chinese researchers who demonstrated that adding subgroup differences according to age, sex, or race when testing for ...

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.

The thyroid gland produces hormones that regulate metabolism, body temperature, and growth. Thyroid problems can cause weight changes, mood swings, and neck swelling. The thyroid is a small, butterfly ...