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Pollen and Children What is pollen? Each grain of pollen is tiny (microscopic). When there is a lot of pollen together, it becomes a fine yellow powder. It's made of the male reproductive cells of flowering plants, trees, grasses, and weeds. It's the most common cause of hay

Juvenile Idiopathic Arthritis What is juvenile idiopathic arthritis? Juvenile idiopathic arthritis (JIA) is a form of arthritis in children. Arthritis causes joint swelling (inflammation) and joint stiffness. JIA is arthritis that affects 1 or more joints for at least 6 weeks in

Cleft Lip and Cleft Palate in Children What are cleft lip and cleft palate in children? Cleft lip and cleft palate are openings or splits in the upper lip or roof of the mouth (palate). A child can be born with a cleft lip, cleft palate, or both. Cleft lip and cleft palate may be

Chemotherapy for Children What is chemotherapy for a child? Chemotherapy (chemo) is the use of medicines to treat cancer or kill cancer cells. Chemotherapy has been used for many years. It's one of the most common treatments for many types of cancer. The groups of cancer therapy

Germ Cell Tumors (GCTs) in Children What are germ cell tumors in children? A type of cell that forms as a fetus (also called an embryo) develops is called a germ cell. Germ cells are the cells that make the eggs (ova) in females and the sperm in males. Germ cell tumors (GCTs) are

Hepatoblastoma in Children What is hepatoblastoma in children? Hepatoblastoma is a very rare cancer that starts in the liver. It usually affects children younger than 3 years of age. About half of all children with it are diagnosed before age 1. It usually doesn't spread

Neuroblastoma What is neuroblastoma in children? Neuroblastoma is cancer that starts when immature nerve cells in the nervous system grow out of control. These cells are called neuroblasts. Over time, the out-of-control cells form a tumor. Neuroblastoma is the most common solid

Pain Management for Children with Cancer Understanding pain and cancer When a child has cancer, one of their greatest fears, and the fear of parents, is pain. Every effort is made to ease the pain during the treatment process. Because pain is unique to each person, a child's pain

Rhabdomyosarcoma in Children What is rhabdomyosarcoma in children? Rhabdomyosarcoma is a type of cancer. It starts in cells that should grow into skeletal muscle cells. Skeletal muscles control voluntary muscle movements. These are movements we can control. This rare cancer is

Brain Tumors in Children What are brain tumors in children? A brain tumor is an abnormal growth of tissue in the brain. The brain is part of the central nervous system (CNS). The CNS also includes the spinal cord. The main parts of the brain are: Cerebrum. This is the front of