Reviewed by Neha Pathak on October 24, 2017
Pixeldust Studios<br>Harvard Health Publications: "Do you need a thyroid test?"<br>PubMed Health: "How does the thyroid work?"
© 2017 WebMD, LLC. All rights reserved.
What does this small, butterfly-shaped gland do, and how does it have a big impact on your body?
Find WebMD on:
©2005-2019 WebMD LLC. All rights reserved.
WebMD does not provide medical advice, diagnosis or treatment. See additional information.