Plus, when to see a doctor.

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 ...

Biochemical testing is the cornerstone for diagnosing and managing thyroid disorders. Currently, most thyroid tests are performed on large, automated, immunoassay platforms using methods that are ...

Researchers have known for decades that different brands of lab machines produce different results. The fix is easy — but not ...

The thyroid, small, butterfly-shaped, sitting quietly at the front of your neck, quietly runs the show for many of your body’s most important function.

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

According to the American Thyroid Association, 20 million Americans have some form of thyroid disease. Women are especially ...