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Atherosclerosis What is atherosclerosis? Atherosclerosis is thickening of the walls of the arteries. It is also known as hardening of the arteries. It is caused by a buildup of plaque in the inner lining of an artery. Plaque is made up of deposits of fatty substances, cholesterol

Ewing Sarcoma in Children What is Ewing sarcoma in children? Ewing sarcoma is a rare type of cancer. It can affect a person of any age, but it's most common between ages 10 and 20. It often grows in bone, but it can also grow in soft tissue that's connected to the bone. This may

Sickle Cell Disease in Children What is sickle cell disease in children? Sickle cell disease (SCD) is a blood disorder that a child is born with. It's passed down through a parent’s genes. Children with SCD make an abnormal type of hemoglobin. This is the protein in red blood

Down Syndrome (Trisomy 21) in Children What is Down syndrome in children? Down syndrome is a genetic problem. It is also called trisomy 21. It includes certain birth defects, learning problems, and facial features. A child with Down syndrome also may have heart defects and

Neurocutaneous Syndromes in Children What are neurocutaneous syndromes in children? Neurocutaneous syndromes are disorders that affect the brain, spinal cord, organs, skin, and bones. The diseases are lifelong conditions that can cause tumors to grow in these areas. They can also