A simple explainer video about the thyroid gland. We explain its role in creating thyroid hormones, which affect your body’s metabolism. We also explain the causes, symptoms, and treatments of having an overactive or underactive thyroid. We hope this video will be helpful to you and those you care about. This video was sponsored by the British Thyroid Foundation (http://www.btf-thyroid.org) **Like and share this video to raise awareness about Thyroid disorders, and subscribe to our channel for more great health content** Licenses to use this video for educational purposes can be purchased at: https://www.boclips.com/ ABOUT US: HealthSketch is a project to convey health information in visually engaging ways, empowering us all to lead healthier lives. For more information, visit: Website: http://www.health-sketch.com/ Facebook: http://facebook.com/healthsketch Twitter: https://twitter.com/health_sketch Whiteboard Animation by Russ Law: https://www.russlaw.co.uk/ NOTE: All content, including graphics, audio, text, and links, is for information and education purposes only. This video should not be considered a substitute for professional medical care, so if you have further questions or concerns, please consult a medical professional.