Centers for Disease Control and Prevention
Centers for Disease Control: Diabetes
Discusses diabetes as a serious public health problem. Very comprehensive site with information on diagnosing and living with the disease, health insurance issues, prevention, and more.
Other
Endocrine Web: Symptoms, Diagnosis, and Treatments of Type 2 Diabetes
This resource presents a brief article discussing type 2 diabetes, with plenty of links to additional articles about facets of diabetes symptoms, diagnosis, and treatment. All articles are written by doctors and nurses.
Other
Endocrine Web: Type 1 Diabetes: Symptoms, Diagnosis, and Treatment
Visit this resource to learn about the symptoms, diagnosis, & treatment information about type 1 diabetes from a series of articles written by doctors and nurses. Links to information about type 2 diabetes, as well.
Other
American Diabetes Association: Type 1 Diabetes
What you should know about Type 1 Diabetes, treatment, self-care, nutrition, medication, and more.
American Association for Clinical Chemistry
Lab Tests Online: Diabetes
This effective site explains what diabetes is and provides links to the three types of diabetes, signs and symptoms, and tests to diagnosis the illness.