Health Library

Langerhans Cell Histiocytosis in Children

Langerhans cell histiocytosis is a rare disorder that causes damage to tissues all over the body. Read on to learn about causes, symptoms, diagnosis, and treatments.

Language Disorders in Children

A language disorder in a child means they have trouble understanding words that they hear and read. Or the child has trouble speaking with others and expressing thoughts and feelings.

Large for Gestational Age

Large for gestational age is used to describe newborn babies who weigh more than the usual amount for the number of weeks of pregnancy. Babies are called large for gestational age if they weigh more than 9 in 10 babies of the same gestational age.

Lead Poisoning in Children

Lead poisoning is a totally preventable disease. Children ages 1 to 3 who live in low-income housing built before 1978 are especially at risk. Read on to learn more.

Learning Disorders in Children

A learning disorder is when a child has trouble learning in certain school subjects. Your child may have problems with reading, math, or writing. Here's what you need to know, and how to help.

Legg-Calvé-Perthes Disease

This disease is a temporary condition that causes the hip joint to become painful and stiff.

Leukemia in Children

Leukemia is cancer of the blood. It’s the most common form of cancer in childhood. The cancer cells grow in bone marrow and go into the blood.

Liver Disorders

Detailed information on the most common liver disorders in children

Liver Transplant for Children

A liver transplant is surgery to replace a diseased liver with a healthy liver from another person.

Living with Aplastic Anemia

Aplastic anemia is a rare blood disorder that most often occurs in children, teens, and young adults. This piece offers helpful information on how to help your child live with this disease.

Living With Congenital Heart Disease

Detailed information for children living with a congenital heart disease

Lordosis in Children

Lordosis is a deformity of the backbone (spine). It's when the bones of the spine (vertebrae) in the lower back curve inward more than normal.