Hashimoto's Thyroiditis and Hypothyroidism
	Underactive Thyroid An article from the Mayo Clinic Health Letter that discusses the symptoms of an underactive thyroid (hypothyroidism), looks at the common immune system causes of the disease, and discusses treatments. Hypothyroidism An article from the Mayo Clinic Health Letter that provides an overview of hypothyroidism. Hypothyroidism A Thyroid Foundation of America brochure providing an overview of hypothyroidism. Hypothyroidism A guide to hypothyroidism, from the Thyroid Foundation of Canada.
	Hypothyroidism and Hashimoto's Thyroiditis Frequently Asked Questions (FAQs) Responses to Frequently Asked Questions (FAQ), developed by the Thyroid Society. What is Hypothyroidism? What is Hashimoto's Thyroiditis? What Are the Signs and Symptoms of Hypothyroidism? What Causes Hypothyroidism? How Do Doctors Test For Hypothyroidism? How is Hypothyroidism Treated? What is Hypothyroidism? A Thyroid Society brochure, in PDF file format.