Frequently asked question: What does thyroid hormone do?

Thyroid hormone plays a role in the metabolism of virtually all bodily tissues, and it stimulates longitudinal growth of the bones. Before birth and during the first three years of life, thyroid hormone is important for the growth and development of the brain and, after that, for its function. The hormone works as a kind of gas pedal and ensures that your 'engine' runs faster or slower.

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