• American Cancer Society
• National Cancer Institute
• Cancer Care
• Cancer Prevention
• Cancer News

Diabetes

• American Diabetes Association
• Canadian Diabetes Association
• Diabetes UK

Heart

• American Heart Association
• Heart Information Network
• Heart Center Online

• National Mental Health Association
• National Institute of Mental Health
• Mental Help Net
• National Partnership for Workplace Mental Health
• American Psychiatric Association

Obesity

• American Obesity Association
• Obesity Online

HealthFinder.gov

• US Dept of Health & Human Services