- American Cancer Societywww.cancer.org
- American Diabetes Association www.diabetes.org
- American Federation for Aging Researchwww.infoaging.org
- American Health Care Associationwww.ahcancal.org
- American Heart Associationwww.americanheart.org
- American Medical Associationwww.ama-assn.org
- American Red Cross www.redcross.org
