This site has an all-encompassing A-to-Z disease/condition reference guide. Another feature is its "Take Charge of Your Health" series, in which you are given the opportunity to learn more about your health and health in general. Mayo Clinic also offers a newsletter and condition- and drug-specific information.
This site provides a collection of health information. It includes: a medical encyclopedia, a medical dictionary, prescription and over-the-counter drug information, online resource listings, and a doctor-finder. MedlinePlus also offers a newsletter.