- 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 Physical Therapy Associationwww.apta.org
- American Public Health Associationwww.apha.org
- Health Finderwww.healthfinder.gov
- International Council of Nurseswww.icn.ch
- Mayo Clinicwww.mayoclinic.org
- National Institutes of Healthwww.nih.gov
