Thyroid Disease 101: Basic Information on Thyroid Disease
Overview of information about thyroid disease, including diagnosis and treatment of hypothyroidism, hyperthyroidism, nodules, goiter, and thyroid cancer.

Introductory Thyroid Information/Links
Starting point for in-depth articles and general links on thyroid disease.

Thyroid Foundation of Canada
Canada's national patient-oriented foundation.

Thyroid Foundation of America
Good starting point for anyone interested in or diagnosed with thyroid problems.

The Thyroid Society for Education & Research
This national, not-for-profit organization has an informative website with some information of use to patients.

Endocrineweb
Doctor-written overview site with good information, esp. strong on surgery and conventional info.