- American Association of Cardiovascular and Pulmonary Rehabilitation (AACVPR)
- American College of Sports Medicine
- American Heart Association
- American Lung Association
- American Diabetes Association
- American Dietetic Association
- American College of Cardiology
- American Nurses Association
- American Association of Respiratory Care
- American College of Chest Physicians
- American Physical Therapy Association
- American Society of Exercise Physiologists
- Association of Asthma Educators
- Clinical Trials
- Elemy, Adult Autism
- HealthLine – COPD
- Heart Failure Society of America
- Holistic Nutrition
- Human Kinetics
- Medscape
- Mesothelioma Information
- Mesothelioma Prognosis
- Mesothelioma Treatment
- National Library of Medicine
- National Heart Lung and Blood Institute
- PCNA
- Seniors and Diabetes: A Complete Guide
- WebMD