- American Cancer Societywww.cancer.org
- American Diabetes Associationwww.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 Physical Therapy Associationwww.apta.org
- American Public Health Associationwww.apha.org
- Arthritis Foundationwww.arthritis.org
- Everyday Health – Online Health Informationwww.everydayhealth.com
- International Council of Nurseswww.icn.ch
- Mayo Clinicwww.mayoclinic.com
- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com
- National Institute of Mental Healthwww.nimh.nih.gov
- National Institutes of Healthwww.health.nih.gov
