- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com
- Everyday Health – Online Health Informationwww.everydayhealth.com
- American Federation for Aging Researchwww.infoaging.org
- American Health Care Associationwww.ahcancal.org
- American Heart Associationwww.americanheart.org
- American Medical Associationwww.ama-assn.org
- Health Finderwww.healthfinder.gov
