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Joslin Diabetes Center: Diabetes Beginner's Guide
Get the basic facts about diabetes from this resource. Includes information about how diabetes is diagnosed, what the treatment involves, who usually gets diabetes, the different types of the disease, and much more.
World Health Organization
World Health Organization: Diabetes
This comprehensive site provides a general explanation of Type1 and Type 2 diabetes. In addition, the following topics are examined: symptoms, prevalence, diagnosis, treatment, complications, and prevention.