A free thyroxine test, often called a free T4 test, measures the amount of free thyroxine in your blood. Thyroxine (also ...

Thyroxine (T4) is the principal hormone secreted by the thyroid gland. All the T4 in the circulation is derived from thyroidal secretion. In contrast, only about 20% of circulating ...

Ensuring that during the test process, the amount of thyroid hormone released from serum binding proteins is the same as that released in the presence of the calibrator diluent.

While iodine can be detected in urine, relying on such a test is not helpful, since 90 percent of the iodine you ingest is ...

Thyroid cancer symptoms can often be mistaken for other conditions, leading to a delay in diagnosis, so the NHS reminds Brits to be particularly aware of a sore throat and difficulty swallowing ...

Feeling tired or depressed is a common enough complaint, particularly among women. Paying attention to the thyroid might do them a world of good. This quiz on the thyroid is intended to educate ...

Thyroid cancer, affecting up to one in 20 Britons, often takes years to diagnose due to its symptoms mirroring other ...

Medics have listed the symptoms of potentially deadly conditions relating to thyroid issues. A recent study by the University ...

The questions in this quiz are suitable for GCSE biology students studying hormones and nerves, negative feedback systems, thyroxine and adrenaline, and type 1 and Type 2 diabetes. If you ...

In response to criticism that the test is not a reliable assessment tool, psychologists have worked to improve and validate the Rorschach over time. They have developed standardized protocols to ...