American Cancer Society
Includes links to clinical trials and patient support groups.
http://www.cancer.org

American Heart Association
Features an online heart and stroke encyclopedia.
http://www.americanheart.org

Centers for Disease Control and Prevention
The government's latest info on public health and communicable diseases is posted here.
http://www.cdc.gov

Clinical Trials
Lists experimental treatments you may be eligible to receive.
http://www.clinicaltrials.gov

Healthfinder
A health library available in English and Spanish, sponsored by the U.S. Dept. of Health and Human Services. http://www.healthfinder.gov

Mayo Clinic
Offers online tools to help guide treatment decisions.
http://www.mayoclinic.com

Medline Plus
The National Library of Medicine's comprehensive health-information portal.
http://medlineplus.com

National Cancer Institute
Provides clinical details about every type of cancer and the latest treatments.
http://www.cancer.gov