Remember when evaluating a website to use for this assignment that many conditions may have a association/foundation site (National Fibromyalgia Association) or a College/Medical site (American College of Rheumatology) that you could use instead of commercial sites. Think .org instead of .com There are a ton of options out there--choose wisely.
Human Diseases and Conditions by 
Gale Encyclopedia of Nursing and Allied Health by
"Aims to educate people about allied health and nursing, whether pursuing a degree in an allied health field or already working as a nurse or allied health professional. Individuals traversing the healthcare system due to their own medical needs or that of a loved one can find medical information they need in order to make informed health decisions"--
