American Academy of Pediatrics
http://www.aap.org
American Cancer Society
http://www.cancer.org
American Dental Association
http://www.ada.org
American Diabetes Association
http://www.diabetes.org
American Dietetic Association
http://www.eatright.org
American Heart Association
http://www.americanheart.org
American Institute for Cancer
http://www.aicr.org
American Lung Association
http://www.lungusa.org
American Medical Association
http://www.ama-assn.org
American Psychological Association
http://www.apa.org
American Public Health Association
http://www.apha.org
Centers for Disease Control And Prevention
http://www.cdc.gov
Department of Homeland Security
http://www.dhs.gov/dhspublic/index.jsp
Food Safety
http://www.foodsafety.gov
Institute of Medicine
http://www.iom.edu
National Cancer Information Service
http://cis.nci.nih.gov
National Center for Health Statistics
http://www.cdc.gov/nchswww
National Institute on Aging
http://www.nia.nih.gov