http://www.medicinenet.com/diseases_and_conditions/article.htm

http://en.wikipedia.org/wiki/Disease

http://www.mayoclinic.com/health/DiseasesIndex/DiseasesIndex

http://www.cdc.gov/DiseasesConditions/

http://www.rxlist.com/diseases-conditions-medical-tests/article.htm

http://health.yahoo.com/conditions/

http://www.medical-diseases.info/index.htm

http://www.omnimedicalsearch.com/conditions-diseases/index.html

http://www.nhtsa.dot.gov/people/injury/research/MedicalConditions_Driving.pdf

http://www.realage.com/check-your-health/conditions-and-diseases/