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

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

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

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

http://www.americanheart.org/presenter.jhtml?identifier=1200002

http://dir.yahoo.com/Health/Diseases_and_Conditions/

http://health.msn.com/diseases-and-conditions.aspx

http://www.healthline.com/directory/diseases-and-conditions

http://kidshealth.org/teen/diseases_conditions/

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