Health on the Net -- access varied, authoritative health and medical topics from reliable medical Web sites. Created in 1995, the Health on the Net Foundation is a non-profit, non-governmental organization, focusing on "...the essential question of the provision of health information to citizens, information that respects ethical standards. To cope with the unprecedented volume of healthcare information available on the Net, the HONcode of conduct offers a multi-stakeholder consensus on standards to protect citizens from misleading health information."
MedlinePlus -- Useful for patient education, and health literacy, this site is a service offered by the U.S. National Library of Medicine. It provides information about diseases, conditions, and wellness issues in language non-experts can understand. "MedlinePlus offers reliable, up-to-date health information, anytime, anywhere, for free. You can use MedlinePlus to learn about the latest treatments, look up information on a drug or supplement, find out the meanings of words, or view medical videos or illustrations. You can also get links to the latest medical research on your topic or find out about clinical trials on a disease or condition."