A collection of organizations providing health information arranged by topic. Also available in alphabetical order.
Deep Vein Thrombosis
Degenerative Nerve Diseases
- Batten Disease Support and Research Association
- National Institute of Neurological Disorders and Stroke
Dehydration
Delirium
Dementia
- American Geriatrics Society
- Association for Frontotemporal Degeneration
- National Institute of Neurological Disorders and Stroke
- National Institute on Aging
Dengue
- Centers for Disease Control and Prevention
- National Institute of Allergy and Infectious Diseases
- World Health Organization
Dental Health
- Academy of General Dentistry
- American Academy of Oral Medicine
- American Dental Association
- American Dental Hygienists' Association
- Hispanic Dental Association
- National Institute of Dental and Craniofacial Research
Dentures
- Academy of General Dentistry
- American College of Prosthodontists
- American Dental Association
- National Institute of Dental and Craniofacial Research
Depression
- American Psychiatric Association
- Depression and Bipolar Support Alliance
- National Institute of Mental Health
Developmental Disabilities
- American Association on Intellectual and Developmental Disabilities
- Center for Parent Information and Resources
- Centers for Disease Control and Prevention
- National Institute of Neurological Disorders and Stroke
- Rehabilitation Services Administration
Diabetes
- American Association of Clinical Endocrinologists
- American Association of Diabetes Educators
- American Diabetes Association
- Diabetes Research Institute Foundation
- National Institute of Diabetes and Digestive and Kidney Diseases
Diabetes and Pregnancy
- American Diabetes Association
- Eunice Kennedy Shriver National Institute of Child Health and Human Development
- JDRF
- National Institute of Diabetes and Digestive and Kidney Diseases
Diabetes Complications
Diabetes in Children and Teens
Diabetes Insipidus
Diabetes Medicines
Diabetes Type 1
- American Diabetes Association
- JDRF
- National Institute of Diabetes and Digestive and Kidney Diseases
- TrialNet
Diabetes Type 2
Diabetic Diet
Diabetic Eye Problems
- American Diabetes Association
- American Foundation for the Blind
- American Optometric Association
- National Eye Institute
- National Institute of Diabetes and Digestive and Kidney Diseases
Diabetic Foot
Diabetic Heart Disease
- American Diabetes Association
- American Heart Association
- National Heart, Lung, and Blood Institute
- National Institute of Diabetes and Digestive and Kidney Diseases
Diabetic Kidney Problems
- American Diabetes Association
- National Institute of Diabetes and Digestive and Kidney Diseases
- National Kidney Foundation
Diabetic Nerve Problems
- American Diabetes Association
- National Institute of Diabetes and Digestive and Kidney Diseases
- National Institute of Neurological Disorders and Stroke
Dialysis
- Life Options Rehabilitation Program
- National Institute of Diabetes and Digestive and Kidney Diseases
- National Kidney Foundation
Diarrhea
- American Gastroenterological Association
- National Institute of Allergy and Infectious Diseases
- National Institute of Diabetes and Digestive and Kidney Diseases
Dietary Fats
- American Heart Association
- Food and Drug Administration
- Food and Nutrition Information Center
- National Heart, Lung, and Blood Institute
Dietary Fiber
- Academy of Nutrition and Dietetics
- American Cancer Society
- American Heart Association
- Food and Nutrition Information Center
Dietary Proteins
Dietary Supplements
- Food and Drug Administration
- Food and Nutrition Information Center
- National Center for Complementary and Integrative Health
- National Institutes of Health, Office of Dietary Supplements
Diets
Digestive Diseases
- American College of Gastroenterology
- American Gastroenterological Association
- American Society for Gastrointestinal Endoscopy
- Cyclic Vomiting Syndrome Association
- International Foundation for Gastrointestinal Disorders
- National Institute of Diabetes and Digestive and Kidney Diseases
Diphtheria
- Centers for Disease Control and Prevention
- National Institute of Allergy and Infectious Diseases
- World Health Organization
Disabilities
- Center for Parent Information and Resources
- FacingDisability.com (Hill Foundation for Families Living with Disabilities)
- Job Accommodation Network (Office of Disability Employment Policy)
- National Center on Health, Physical Activity and Disability
- Office of Disability Employment Policy
- Rehabilitation Services Administration
- United States Access Board
Disaster Preparation and Recovery
- American Red Cross
- Centers for Disease Control and Prevention
- Department of Homeland Security
- Federal Emergency Management Agency
Dislocations
- American Academy of Orthopaedic Surgeons
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
Diverticulosis and Diverticulitis
- American Gastroenterological Association
- American Society of Colon and Rectal Surgeons
- International Foundation for Gastrointestinal Disorders
- National Institute of Diabetes and Digestive and Kidney Diseases
Dizziness and Vertigo
Domestic Violence
- American Bar Association
- Centers for Disease Control and Prevention
- Department of Justice, Office on Violence Against Women
Down Syndrome
- American Association on Intellectual and Developmental Disabilities
- Center for Parent Information and Resources
- Centers for Disease Control and Prevention
- Eunice Kennedy Shriver National Institute of Child Health and Human Development
- March of Dimes Birth Defects Foundation
- National Down Syndrome Society
Drinking Water
Drowning
Drug Reactions
Drug Safety
- American Society of Health-System Pharmacists
- Food and Drug Administration
- Institute for Safe Medication Practices
- Pharmaceutical Research and Manufacturers of America
- SafeMedication.com (American Society of Health-System Pharmacists)
Drug Use and Addiction
- Drug Enforcement Administration
- National Institute on Drug Abuse
- Partnership to End Addiction
- Substance Abuse and Mental Health Services Administration
Drugs and Young People
- Drug Enforcement Administration
- National Institute on Drug Abuse
- Partnership to End Addiction
- Substance Abuse and Mental Health Services Administration
Dry Mouth
Dual Diagnosis
- American Psychiatric Association
- NAMI
- National Institute of Mental Health
- Substance Abuse and Mental Health Services Administration
Dwarfism
- Eunice Kennedy Shriver National Institute of Child Health and Human Development
- Little People of America