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 ...

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

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 ...

Experts discuss key challenges in hypothyroidism management, including diagnostic thresholds and appropriate use of ...

Thyroid problems may cause unexplained weight gain, hair loss, and fatigue to occur together. You may also have an iron or vitamin deficiency. Other symptoms may offer a clue as to the cause and help ...

Subacute thyroiditis (SAT) is a type of thyroid gland inflammation. It commonly leads to neck pain and symptoms that affect the body, such as fever and muscle pain. SAT is the most common, painful ...