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 ...

You may be looking to test your thyroid function if you’ve noticed concerning changes in your metabolism, digestion, body temperature, or fertility. At-home thyroid testing may be a less expensive ...

A radioactive iodine uptake (RAIU) tests the function of your thyroid gland, which helps regulate your metabolism. It works by measuring how much radioactive iodine is absorbed by the thyroid gland, ...

Possible Reasons, and The Best Labs for Fatigue Key Takeaways: Fatigue describes more than just feeling sleepy — it’s a ...

Thyroid function test abnormalities in pregnancy, including those at subclinical levels, are linked to a higher risk of preterm birth, according to a new meta-analysis. However, there is no evidence, ...

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 ...