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Immune Deficiencies Many different immune system deficiencies require clinical care by a physician or other health care professional. Listed in the directory below are some, for which we have provided a brief overview. Severe Combined Immunodeficiency (SCID) Common Variable

Severe Combined Immunodeficiency (SCID) in Children What is SCID in children? SCID is a very rare disease. It causes a child to have a very weak immune system (immunodeficiency). As a result, the child is unable to fight off even mild infections. The disease is also known as the

Juvenile Arthritis and Other Rheumatic Diseases What are juvenile arthritis and other rheumatic diseases in children? Arthritis is an inflammation of the joints that causes pain and swelling. Juvenile arthritis is the term used for arthritis in children. The most common form of

Juvenile Dermatomyositis What is juvenile dermatomyositis? Juvenile dermatomyositis (JDM) is a rare autoimmune disease that causes inflammation of the blood vessels, muscles, and skin. It's different from other muscle diseases because it also causes skin problems. Symptoms often

About the Heart and Blood Vessels The heart is the hardest working muscle in the human body. Located almost in the center of the chest, a healthy adult heart is the size of a clenched adult fist. By age 70, the human heart will beat more than 2.5 billion times. The heart is

Heart Defects Causing Extra Blood Flow Through the Lungs Click on the links below to learn more about these topics. Patent Ductus Arteriosus (PDA) Atrial Septal Defect (ASD) Ventricular Septal Defect (VSD) Atrioventricular Canal (AV Canal or AVC)© 2000-2026 The StayWell Company

Medical Genetics: Getting Genetic Services for Your Child What are genetic services? Genetic services are programs that help support families and children with genetic disorders. Genetic services can: Give you information about your family’s genetic risk factors. Diagnose a

Bleeding Disorders Many different bleeding disorders require clinical care by a physician or other health care professional. Listed in the directory below are some, for which we have provided a brief overview. Hemophilia Idiopathic Thrombocytopenic Purpura© 2000-2026 The StayWell

Thalassemia Click on the links below to learn more about this topic. Alpha Thalassemia Beta Thalassemia (Cooley's Anemia)© 2000-2026 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your

Substance Exposure Click on the links below to learn more about this topic. Neonatal Abstinence Syndrome Fetal Alcohol Syndrome (FAS)© 2000-2026 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always