A collection of organizations providing health information arranged by topic. Also available in alphabetical order.
H1N1 Flu (Swine Flu)
Haemophilus Infections
Hair Loss
- American Academy of Dermatology
- National Alopecia Areata Foundation
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
Hair Problems
- American Academy of Dermatology
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
Hand Injuries and Disorders
- American Academy of Orthopaedic Surgeons
- American Association for Hand Surgery
- American Society for Surgery of the Hand
- American Society of Hand Therapists
- National Institute for Occupational Safety and Health
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
Hantavirus Infections
Hay Fever
- American Academy of Allergy, Asthma, and Immunology
- Asthma and Allergy Foundation of America
- National Institute of Allergy and Infectious Diseases
- National Institute of Environmental Health Sciences
Head and Neck Cancer
- American Academy of Otolaryngology--Head and Neck Surgery
- American Cancer Society
- American Head and Neck Society
- National Cancer Institute
Head Injuries
Head Lice
Headache
- American Headache Society
- National Headache Foundation
- National Institute of Neurological Disorders and Stroke
Health Checkup
- Agency for Healthcare Research and Quality
- Centers for Disease Control and Prevention
- KidsHealth (Nemours Foundation)
Health Disparities
- Centers for Disease Control and Prevention
- Department of Health and Human Services, Office of Minority Health
- National Institute on Minority Health and Health Disparities
Health Facilities
Health Fraud
- Federal Bureau of Investigation
- Federal Trade Commission
- Food and Drug Administration
- International Society for Stem Cell Research
- National Health Care Anti-Fraud Association
Health Insurance
Health Literacy
- Agency for Healthcare Research and Quality
- National Library of Medicine
- Office of Disease Prevention and Health Promotion
Health Occupations
- American Academy of Forensic Sciences
- American College of Medical Toxicology
- American Dental Education Association
- American Nurses Association Nursing World (American Nurses Association)
- American Occupational Therapy Association
- American Osteopathic Association
- American Public Health Association
- Association of American Medical Colleges
- Association of Regulatory Boards of Optometry
- Association of Schools and Programs of Public Health
- Bureau of Health Workforce
- Bureau of Labor Statistics
- Commission on Accreditation of Allied Health Education Programs
- Medical Library Association
- National Institute of Nursing Research
Health Problems in Pregnancy
- American College of Obstetricians and Gynecologists
- Department of Health and Human Services, Office on Women's Health
- Eunice Kennedy Shriver National Institute of Child Health and Human Development
- March of Dimes Birth Defects Foundation
- Society for Maternal-Fetal Medicine
Health Screening
Health Statistics
- Bureau of the Census
- Centers for Disease Control and Prevention
- Department of Health and Human Services
- Federal Interagency Forum on Aging-Related Statistics
- Federal Interagency Forum on Child and Family Statistics
- National Center for Health Statistics
- World Health Organization
Healthy Aging
- AGS Foundation for Health in Aging
- American Geriatrics Society
- National Association of Area Agencies on Aging
- National Council on Aging
- National Institute on Aging
Healthy Living
- American Academy of Family Physicians
- Center for the Advancement of Health
- Centers for Disease Control and Prevention
- Office of Disease Prevention and Health Promotion
Healthy Sleep
- Eunice Kennedy Shriver National Institute of Child Health and Human Development
- National Center on Sleep Disorders Research
- National Heart, Lung, and Blood Institute
Hearing Aids
Hearing Disorders and Deafness
- Alexander Graham Bell Association for the Deaf and Hard of Hearing
- American Academy of Audiology
- American Academy of Otolaryngology--Head and Neck Surgery
- Gallaudet University, Laurent Clerc National Deaf Education Center
- National Institute on Deafness and Other Communication Disorders
Hearing Problems in Children
- American Academy of Audiology
- American Academy of Otolaryngology--Head and Neck Surgery
- National Institute on Deafness and Other Communication Disorders
Heart Attack
- American Heart Association
- American Society of Echocardiography
- National Heart, Lung, and Blood Institute
Heart Disease in Women
Heart Diseases
- American Heart Association
- American Society of Echocardiography
- American Society of Nuclear Cardiology
- CardioSmart (American College of Cardiology)
- Cardiovascular Research Foundation
- National Heart, Lung, and Blood Institute
Heart Failure
- American Heart Association
- American Society of Echocardiography
- Heart Failure Society of America
- Heart Rhythm Society
- National Heart, Lung, and Blood Institute
Heart Health Tests
Heart Surgery
Heart Transplantation
- American Heart Association
- American Society of Transplantation
- International Transplant Nurses Society
- National Heart, Lung, and Blood Institute
- Organ Procurement and Transplantation Network
Heart Valve Diseases
- American Heart Association
- American Society of Echocardiography
- National Heart, Lung, and Blood Institute
- Society of Thoracic Surgeons
Heartburn
- American College of Gastroenterology
- American Gastroenterological Association
- National Institute of Diabetes and Digestive and Kidney Diseases
Heat Illness
- American Red Cross
- Centers for Disease Control and Prevention
- National Institute for Occupational Safety and Health
- National Institute on Aging
Heel Injuries and Disorders
- American Academy of Orthopaedic Surgeons
- American Academy of Podiatric Sports Medicine
- American Podiatric Medical Association
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
Helicobacter Pylori Infections
Hemochromatosis
- National Heart, Lung, and Blood Institute
- National Institute of Diabetes and Digestive and Kidney Diseases
Hemophilia
Hemorrhagic Fevers
- Centers for Disease Control and Prevention
- National Institute of Allergy and Infectious Diseases
- World Health Organization
Hemorrhoids
Hepatitis
- American Liver Foundation
- Centers for Disease Control and Prevention
- Immunization Action Coalition
- National Institute of Diabetes and Digestive and Kidney Diseases
Hepatitis A
- American Liver Foundation
- Centers for Disease Control and Prevention
- Immunization Action Coalition
- National Institute of Diabetes and Digestive and Kidney Diseases
Hepatitis B
- Centers for Disease Control and Prevention
- Hepatitis B Foundation
- Immunization Action Coalition
- National Institute of Allergy and Infectious Diseases
- National Institute of Diabetes and Digestive and Kidney Diseases
Hepatitis C
- Centers for Disease Control and Prevention
- National Institute of Allergy and Infectious Diseases
- National Institute of Diabetes and Digestive and Kidney Diseases
Herbal Medicine
Hernia
Herniated Disk
- American Academy of Orthopaedic Surgeons
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
- North American Spine Society
Heroin
Herpes Simplex
Hiatal Hernia
- American College of Gastroenterology
- National Institute of Diabetes and Digestive and Kidney Diseases
Hidradenitis Suppurativa
- American Academy of Dermatology
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
High Blood Pressure
High Blood Pressure in Pregnancy
Hip Injuries and Disorders
- American Academy of Orthopaedic Surgeons
- American Association of Hip and Knee Surgeons
- Centers for Disease Control and Prevention
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
Hip Replacement
- American Academy of Orthopaedic Surgeons
- American Association of Hip and Knee Surgeons
- National Institute of Arthritis and Musculoskeletal and Skin Diseases
Histoplasmosis
HIV/AIDS
- AIDS Clinical Trials Group Network (Adult AIDS Clinical Trials Group)
- American Foundation for AIDS Research
- Centers for Disease Control and Prevention
- Henry J. Kaiser Family Foundation
- HIV.gov (National Institutes of Health, Office of AIDS Research)
- HIVinfo (National Institutes of Health, Office of AIDS Research)
- National Institutes of Health, Office of AIDS Research
- UCSF Center for HIV Information
HIV/AIDS and Infections
- Centers for Disease Control and Prevention
- HIV.gov (National Institutes of Health, Office of AIDS Research)
- HIVinfo (National Institutes of Health, Office of AIDS Research)
HIV/AIDS and Pregnancy
- Centers for Disease Control and Prevention
- HIV.gov (National Institutes of Health, Office of AIDS Research)
- HIVinfo (National Institutes of Health, Office of AIDS Research)
HIV/AIDS in Women
- HIV.gov (National Institutes of Health, Office of AIDS Research)
- HIVinfo (National Institutes of Health, Office of AIDS Research)
HIV/AIDS Medicines
- HIV.gov (National Institutes of Health, Office of AIDS Research)
- HIVinfo (National Institutes of Health, Office of AIDS Research)
- National Institutes of Health, Office of AIDS Research
Hives
- American Academy of Allergy, Asthma, and Immunology
- National Institute of Allergy and Infectious Diseases
Hodgkin Disease
- American Cancer Society
- Leukemia & Lymphoma Society
- Lymphoma Research Foundation
- National Cancer Institute
Home Care Services
- American Academy of Home Care Medicine
- American Telemedicine Association
- Meals on Wheels Association of America
- National Adult Day Services Association
Homeless Health Concerns
- National Center on Family Homelessness
- National Coalition for Homeless Veterans
- National Runaway Safeline
- United States Interagency Council on Homelessness
Hormone Replacement Therapy
- Department of Health and Human Services, Office on Women's Health
- Hormone Health Network
- National Institute on Aging
Hormones
- American Association of Clinical Endocrinologists
- Endocrine Society
- Hormone Health Network
- National Institute of Diabetes and Digestive and Kidney Diseases
Hospice Care
- American Hospice Foundation
- Hospice and Palliative Nurses Association
- National Cancer Institute
- National Hospice and Palliative Care Organization
Household Products
- American Association of Poison Control Centers
- Consumer Product Safety Commission
- Environmental Protection Agency
- National Institute of Environmental Health Sciences
How to Improve Mental Health
- American Psychiatric Association
- National Institute of Mental Health
- Substance Abuse and Mental Health Services Administration
How to Prevent Heart Disease
- American Heart Association
- CardioSmart (American College of Cardiology)
- National Heart, Lung, and Blood Institute
How to Prevent High Blood Pressure
HPV
- American Cancer Society
- Centers for Disease Control and Prevention
- National Cancer Institute
- National Institute of Allergy and Infectious Diseases
Huntington's Disease
Hurricanes
Hydrocephalus
- Hydrocephalus Association
- National Hydrocephalus Foundation
- National Institute of Neurological Disorders and Stroke
Hyperglycemia
Hyperthyroidism
- American Thyroid Association
- Hormone Health Network
- National Institute of Diabetes and Digestive and Kidney Diseases
Hypoglycemia
Hypothermia
- Centers for Disease Control and Prevention
- National Institute for Occupational Safety and Health
- National Institute on Aging
- National Weather Service
- Occupational Safety and Health Administration
Hypothyroidism
- American Thyroid Association
- Hormone Health Network
- National Institute of Diabetes and Digestive and Kidney Diseases