Thyroid Disease : What Is Thyroid Function?

Thyroid function is a balance between various hormone levels, and the thyroid is regulated in the hypothalamus, which puts out a hormone called the thyroid-stimulating hormone. Discover how medical professionals test for thyroid function with help from a physician in this free video on thyroid function. Expert: David Cathcart Bio: Dr. David Cathcart has been a physician at Heartland Regional Medical Center in St. Joseph, Mo. for over 20 years. He operates the occupational medicine clinic. Filmmaker: Johnny Cathcart

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