American College of Gastroenterology
	National Institute of Health Digestive Diseases
	International Foundation for Functional of Gastrointestinal Disorders

Allergies and Asthma

	American Academy of Allergy, Asthma, and Immunology (AAAAI)
	American Lung Association
	National Heart, Lung, and Blood Institute
	National Institute for Allergy and Infectious Diseases
	US Food and Drug Administration (FDA)

Alzheimer's Disease

	National Institute of Neurological Disorders and Stroke
	Alzheimer's Association
	ADEAR Center (of the National Institute on Aging)

Arthritis

Arthritis Foundation Facts about arthritis, FAQs, news

Anxiety Disorders

	American Psychiatric Association
	National Institute of Mental Health
	Anxiety Disorders in Children and Adolescents (National Alliance for the Mentally Ill)

Anxiety Disorders (en Español)

	Ayudando a los Niños Despues de una Catastrofe
	Niños que se Niegan a ir a la Escuela
	Trastornos de Ansiedad: Decada del Cerebro

Biliary Disorders

	American Cancer Society
	American Medical Association
	Centers for Disease Control and Prevention (CDC)
	National Cancer Institute
	National Center of Infectious Diseases - US Department of Health and Human Services
	National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Blood Disorders

	American Cancer Institute
	National Cancer Institute
	National Heart, Lung, and Blood Institute

Bone & Joint Disorders/Diseases

	National Institute of Arthritis and Musculoskeletal and Skin Diseases
	National Cancer Institute
	American Cancer Society
	National Institutes of Health /Osteoporosis and Related Bone Diseases
	American Academy of Orthopedic Surgeons

Breast Cancer

	The American Cancer Society
	National Cancer Institute
	Breast Care Center
	Susan Komen Foundation
	National Alliance of Breast Care Organizations
	Race for the Cure

Cancer

	The National Cancer Institute Lots of cancer information, including CancerNet. Huge resource for health care professionals and patients.
	American Cancer Society Cancer information and ACS programs.

Childbirth

	American Board of Obstetrics and Gynecology
	American College of Obstetricians and Gynecologists
	American Medical Association
	American Psychological Association
	Center for Food Safety and Applied Nutrition, part of the US Food and Drug Administration (FDA)
	March of Dimes
	National Clearinghouse for Alcohol and Drug Information
	National Institute on Alcohol Abuse and Alcoholism
	National Organization on Fetal Alcohol Syndrome

Dental Health

	Academy of General Dentistry
	American Academy of Head, Neck and Facial Pain
	American Academy of Pediatric Dentistry
	American Academy of Periodontology
	American Association of Orthodontics
	American College of Prosthodontists
	American Dental Association
	American Endodontic Society
	International Congress of Oral Implantologists
	National Institute of Dental Research

Dermatology

	American Academy of Dermatology
	American Cancer Society
	Centers for Disease Control and Prevention (CDC)
	National Cancer Institute
	National Skin Cancer Foundation
	National Institute of Arthritis and Musculoskeletal and Skin Diseases
	US Food and Drug Administration (FDA)

Diabetes and Kidney Disease

	American Diabetes Association
	National Institute of Diabetes and Digestive and Kidney Disease
	Doctors Guide to Diabetes Information and Resources
	Children with Diabetes
	Cardiovascular Disease: American Heart Association. (Includes related links for diabetics) Stroke: National Stroke Association. Includes related links for diabetics. Hypertension (High Blood Pressure): Hypertension Information. Information on prevention, detection, and treatment of hypertension in diabetics. Eye Disease: Eye Disease or Blindness in Diabetics. Questions, answers, and information on prevention of eye disease in diabetics. Foot Care / Amputation: Foot Care to Prevent Amputation. Information on prevention of disease in the feet that may lead to amputation. Part of a campaign designed by the National Institute of Diabetes and Kidney Disease to raise awareness of this danger.

Digestive Disorders

	National Institute of Diabetes and Digestive and Kidney Disease Information on diabetes, digestive diseases, endocrine disorders, hematologic disorders, kidney disorders, nutrition and obesity and urologic disorders.
	American College of Gastroenterology
	National Institute of Health Digestive Diseases
	International Foundation for Functional of Gastrointestinal Disorders

Digestive Disorders (en Español)

H. pyloriy Úlcera Péptica (H. pyloriand Peptic Ulcer)

Endicrinology

	American Cancer Society
	American Medical Association
	American Thyroid Association
	National Institute of Diabetes and Digestive and Kidney Diseases
	Society for Endocrinology
	The Endocrine Society

Encephalitis, Meningitis

	National Institute of Neurological Disorders and Stroke
	Meningitis Foundation of America

Eye Disease

American Academy of Ophthalmology All about the eye-anatomy, diseases and conditions, FAQs, facts and myths, latest advances.

General Health

Houston Academy of Medicine - Texas Medical Center Library Gateway to a massive medical library

Headaches

	National Institute for Neurological Disorders and Stroke
	ACHE (American Council for Headache Education)

Heart Disease

	American Heart Association
	The National Heart, Lung, and Blood Institute)
	The Centers for Disease Control and Prevention
	National Library of Medicine of the National Institutes of Health
	National Cholesterol Education Program; American Heart Association
	Journal of the American Medical Association

Infectious Diseases

	American Medical Association
	Centers for Disease Control and Prevention (CDC)
	National Center of Infectious Diseases, part of the CDC
	National Institute of Allergy and Infectious Diseases, part of the National Institutes of Health
	Vaccine Information for the Public & Health Professionals

Liver Disorders

	American Cancer Society
	American Medical Association
	Centers for Disease Control and Prevention (CDC)
	National Cancer Institute
	National Center for Health Statistics - US Department of Health and Human Services
	National Center of Infectious Diseases - US Department of Health and Human Services
	National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Lung Disorders

	National Heart, Lung, Blood Institute
	American Lung Association
	National Cancer Institute
	American Cancer Society

Meningitis, Encephalitis

	National Institute of Neurological Disorders and Stroke
	Meningitis Foundation of America

Mental Health

	American Academy of Child & Adolescent Psychiatry
	American Association for Marriage and Family Therapy
	American Psychiatric Association
	American Psychological Association
	National Attention Deficit Disorder Association
	National Center for Injury Prevention and Control, part of the Centers for Disease Control and Prevention
	National Department of Education
	National Depressive and Manic-Depressive Association
	National Foundation For Depressive Illness, Inc.
	National Institute on Alcohol Abuse and Alcoholism, part of the National Institutes of Medicine
	National Institute