Search Results

Leukemia in Children What is leukemia in children? Leukemia is cancer that starts in young (immature) blood cells. It’s the most common kind of cancer in children. The leukemia cells grow in bone marrow and then go out into the blood. The bone marrow is the soft, spongy center of

Megaloblastic Anemia in Children What is megaloblastic anemia in children? Anemia is a problem in which there are not enough red blood cells or hemoglobin. Hemoglobin is the part of red blood cells that carries oxygen throughout the body. In megaloblastic anemia, the bone marrow

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

Alpha Thalassemia in Children What is alpha thalassemia in children? Alpha thalassemia is an inherited blood disorder. This means it is passed down through the parent’s genes. It may cause anemia in their children. Anemia is low numbers of red blood cells or low hemoglobin level

Beta Thalassemia in Children What is beta thalassemia in children? Beta thalassemia is an inherited blood disorder. This means it's passed down through a parent’s genes. It's a form of anemia. Anemia is a low red blood cell or low hemoglobin level. Hemoglobin is part of red blood

Thalassemia Click on the links below to learn more about this topic. Alpha Thalassemia Beta Thalassemia (Cooley's Anemia)© 2000-2025 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your

Sepsis in the Newborn What is newborn sepsis? Newborn sepsis is a severe infection in an infant younger than 28 days old. The infection is in your baby’s blood. But it may affect any body system or the whole body. What causes newborn sepsis? Newborn sepsis is most often caused by

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

Cholesterol, LDL, HDL, and Triglycerides in Children and Teens What is cholesterol? Cholesterol is a fat-like, waxy substance. It can be found in all parts of your child's body. It helps make cell membranes, some hormones, and vitamin D. The cholesterol in blood comes from 2

Arrhythmias in Children What are arrhythmias in children? An arrhythmia is an abnormal heart rhythm. When a child has an arrhythmia, abnormal electrical signals sent through the heart muscle may cause the heart to beat too fast (tachycardia), too slow (bradycardia), or in an