Thyroid hormones are secreted by the thyroid gland located in the base of the neck. The main thyroid hormone secreted is called T4, and then our body converts it to T3 which is the active hormones on the other tissues.

The disease caused by hyperactive thyroid gland is called Hyperthyroidism which can lead to death in severe cases.

The disease caused by hypoactive thyroid gland is called Hypothyroidism which can lead to coma in severe cases.

If you are interested to learn more fundementals about those disease: click here to check the article about hyperthyroidism. and hypothyroidism .

What your doctor may not know about thyroid disease?

With age the body may not be able to convert the secreted T4 to active hormone T3. Medical doctors usually checks only T4 and they forget T3. If you feel tired, feeling cold all the time, feels depressed , sleepy all the time, you may want to ask your doctor to check your T3. I had many patients who felt 100% different with their energy levels, well being and passion to life with a tiny dose of T3.

In other words, taking synthroid or levoxyl by itself may not be enough to relieve your complaints. If you're having thyroid problems, you might have other medical problems or even HIV symptoms.  See the symptoms of HIV at our medical dictionary today.