From the National Institute of Health (NIH) National Library of Medicine. Information on diseases, drugs, tests, and more.
WVU Health Library Browse or search an extensive collection of health resources, or select "Older Adults" under the Your Family category for senior focused topics.
National Institute on Aging (health information) Scroll down the page to see many categories of helpful resources.
Patient Care and Health Information Well regarded medical library from Mayo Clinic; user friendly "symptom checker".
Health Organizations by Topic NIH collection of links to hundreds of disease specific websites; browse by topic, or choose the alternate alphabetical list.
American Cancer Society
American Heart Association
National Stroke Association