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X-Linked Agammaglobulinemia in Children What is X-linked agammaglobulinemia in children? X-linked agammaglobulinemia is a rare genetic disease. It causes a weakened immune system. It is also known as Bruton's agammaglobulinemia. X-linked means that the gene that causes this

Crohn's Disease in Children What is Crohn's disease in children? Crohn's disease is when there is redness, swelling (inflammation), and sores along the digestive tract. It is part of a group of diseases known as inflammatory bowel disease. Crohn's disease is a long-term (chronic)

Food Allergies in Children What is food allergy in children? A food allergy is when your child’s body has a bad immune reaction to a certain food. This is different from a food intolerance, which does not affect the immune system. This is true even though some of the same signs

Lung Transplantation in Children What is a lung transplant? A lung transplant is surgery to remove 1 or both diseased lungs and replace them with healthy lungs from a suitable organ donor. In most cases, lungs that are transplanted come from people who have died and donated their

Lupus What is lupus? Systemic lupus erythematosus (SLE or lupus) is an autoimmune disease that causes your body’s immune system to attack its own cells and tissues. It causes episodes of inflammation to various parts of the body. It can affect your joints, tendons, and skin. It