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Rumination Syndrome What is rumination syndrome? Rumination syndrome is a rare behavioral problem. It affects children, adolescents and some adults. Rumination syndrome causes an automatic regurgitation of recently eaten food. If your child has this problem, he or she will

Immunotherapy: What Is It? Your immune system protects you from illness and foreign substances that can harm you. Scientists have found a way to use the body's immune system to help treat or prevent many health problems. This treatment is known as immunotherapy. Uses of

Granulomatosis with Polyangiitis (GPA) What is granulomatosis with polyangiitis? Granulomatosis with polyangiitis (GPA) is an autoimmune disorder. An autoimmune disorder occurs when the body's immune system attacks and destroys healthy tissue. GPA causes inflammation, swelling

Dermatomyositis What is dermatomyositis? Dermatomyositis is a rare disease that causes muscle inflammation and skin rash. It's one of a group of muscle diseases that cause muscle inflammation, weakness, and swelling. It's different from other muscle diseases because it also

Sjögren Syndrome What is Sjögren syndrome? Sjögren syndrome is an autoimmune disorder. This means that the body’s own immune system attacks its own healthy cells and tissues by mistake. In this case, it attacks the glands that make moisture. It commonly causes dry skin, dry eyes

Monoclonal Gammopathies What are monoclonal gammopathies? Monoclonal gammopathies are conditions in which abnormal proteins (antibodies) are found in the blood. These proteins are made from a small number of plasma cells in the bone marrow. The most common condition linked with