Health Encyclopedia


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A Child's Concept of Death

A Glossary

Abdominal Aortic Aneurysm

About Arthritis and Other Rheumatic Diseases

About Breast Cancer in Men

About Cancer

About Clinical Trials: Information from the National Cancer Institute

About Pediatric Arthritis and Other Rheumatic Diseases

About Tamoxifen

About Taxol


Accident Statistics



Acne in Children

Acne Scar Removal

Acoustic Neuroma

Acquired Brain Injury

Acquired Immune Deficiency Syndrome (AIDS)/Human Immunodeficiency Virus (HIV)


Actinic Keratosis (A Precancerous Condition)


Acute Fatty Liver of Pregnancy

Acute Myelogenous Leukemia

Acute Respiratory Disorders

Acute Spinal Cord Injury

Acute Spinal Cord Injury in Children

Adding to Mother's Milk

Adenovirus Infections

Adjustment Disorders

Adolescent (13 to 18 Years)

Adolescent Growth and Development

Adolescent Health Problems and Injuries

Adolescent Mental Health

Adolescent Mental Health Overview

Adolescent Problems of the Teeth and Mouth

Adolescents and Diabetes Mellitus

Adrenal Glands

Advances in Therapeutic Radiology

African Trypanosomiasis (African Sleeping Sickness)

After Surgery: Discomforts and Complications

After You Return

Age-Appropriate Speech and Hearing Milestones

Age-Appropriate Speech and Language Milestones

Age-Appropriate Vision Milestones

AIDS/HIV in Children

Airway Obstruction

Airway Obstruction Index

Airway Obstruction Overview

Airway Obstruction: Prevention

Airway Obstruction--Identifying High-Risk Situations

Airway Obstruction--Injury Statistics and Incidence Rates

Alcohol and Pregnancy

Alcohol Use and People with Diabetes

Alcoholic Hepatitis

Alcohol-Induced Liver Disease

All About Allergies in Children

All About Allergy

All About Asthma

All About Asthma in Children

All About the Immune System

Allergen: Insect Stings

Allergens: Animals

Allergens: Chemical Sensitivity

Allergens: Food

Allergens: Poison Ivy/Poison Oak/Poison Sumac

Allergens: Triggers of Allergy Attacks

Allergic Rhinitis



Allergy and Asthma Statistics

Allergy Overview

Alpha Thalassemia

Alpha Thalassemia in Children

Alpha-fetoprotein (AFP)

Alternative Therapy for Cancer

Alzheimer's Disease


Amenorrhea in Teens


Amniotic Fluid Problems/Hydramnios/Oligohydramnios

Amyotrophic Lateral Sclerosis (ALS)

Analgesic Nephropathy


Anatomical Pathology

Anatomy and Development of the Mouth and Teeth

Anatomy and Function of the Coronary Arteries

Anatomy and Function of the Electrical System

Anatomy and Function of the Heart Valves

Anatomy and Function of the Heart's Electrical System

Anatomy and Function of the Liver

Anatomy and Physiology of the Ear

Anatomy and Physiology of the Nose and Throat

Anatomy of a Child's Brain

Anatomy of a Joint

Anatomy of Female Pelvic Area

Anatomy of the Bone

Anatomy of the Brain

Anatomy of the Breasts

Anatomy of the Elbow

Anatomy of the Endocrine System

Anatomy of the Endocrine System in Children

Anatomy of the Eye

Anatomy of the Female Pelvic Area

Anatomy of the Foot

Anatomy of the Hand

Anatomy of the Knee

Anatomy of the Male and Female Pelvis

Anatomy of the Newborn Skull

Anatomy of the Prostate Gland

Anatomy of the Respiratory System in Children

Anatomy of the Shoulder

Anatomy of the Skin

Anatomy of the Spine

Anatomy of the Urinary System

Anatomy: Fetus in Utero


Anemia and Chemotherapy

Anemia in Pregnancy

Anemia of B12 Deficiency (Pernicious Anemia)

Anemia of Folate Deficiency




Angina Pectoris

Angiogenesis Inhibitors

Animal Bites


Ankylosing Spondylitis

Anomalous Coronary Artery (ACA)

Anorectal Malformation

Anorexia Nervosa in Children

Anterior Pituitary Disorders


Anticipatory Grief

Antiphospholipid Syndrome (aPL)

Anxiety Disorders

Anxiety Disorders in Children

Aortic Stenosis


Aplastic Anemia

Aplastic Anemia in Children

Apnea of Prematurity


Appendicitis in Children

Appetite / Taste Changes and Chemotherapy


Arrhythmias in Children

Art Therapy, Dance Therapy, Music Therapy, and Imagery

Art, Dance, and Music



Arthritis and Other Rheumatic Diseases Statistics


Assessments for Newborn Babies

Assistive Equipment for the Home


Asthma in Children Index

At Work


Ataxia Telangiectasia (A-T)


Atopic Dermatitis in Children

Atrial Septal Defect (ASD)

Atrioventricular Canal (AV Canal or AVC)

Attention-Deficit / Hyperactivity Disorder (ADHD) in Children


Autism Spectrum Disorder

Autoimmune Diseases

Autoimmune Hepatitis


Autosomal Dominant Inheritance

Autosomal Dominant: Marfan Syndrome

Autosomal Recessive Inheritance

Autosomal Recessive: Cystic Fibrosis, Sickle Cell Anemia, Tay Sachs Disease

Avascular Necrosis

Avoiding Asthma Triggers

Avoiding Eye Injuries

Avoiding Eye Injuries in Children