Medline Plus: Health information from the National Library of Medicine, Bethesda, Maryland, USA. MedlinePlus has extensive information from the National Institutes of Health and other trusted sources on over 900 diseases and conditions.
Pubmed for searching biomedical literature: Display options include
1) Free Full text, which will give you full text articles (for free) rather than a mixture of citations and full text
2) Review articles are an attempt to summarize the current state of understanding on a topic. Ideally, the writer searches for everything relevant to the topic, and then sorts it all out into a coherent view of the “state of the art” as it now stands
Amedeo: The World Biomedical Literature Guide: Diseases of the Thyroid
Thyroid Disease 101 at About.com: Site Overview and Key Links : from Mary Shomon, Thyroid Guide
Another site from Mary Shomon, thyroid patient advocate
The association between TSH within the reference range and serum lipid concentrations in a population-based study: The HUNT Study
Thyrotropin Levels and Risk of Fatal Coronary Heart Disease:
The HUNT Study
Search for thyroid photos at Flickr: Suggested searches include goiter, Grave’s Disease, exophthalmos, thyroid gland, thyroid surgery
Thyroid trackers: Enter symptoms and blood tests results to track over time:
Books
Life Extension Foundation book excerpt: Don’t Overlook Your Thyroid
More.Ca magazine: Symptoms of Thyroid Trouble