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Health Library A to Z

L

  • Apnea of Prematurity
  • It’s a cliché that many new parents need to reassure themselves that the baby is still breathing. But what if your baby really is having breathing problems? A breathing condition called apnea of prematurity affects some babies, especially if they’re born early. But you can learn what symptoms to look for.

  • Congenital Limb Defects
  • Congenital limb defects occur when a portion or the entire upper or lower limb fails to form normally when the baby is developing in the uterus.

  • Lacerations With Stitches
  • Stitches, also called sutures, are special types of thread that hold the edges of a wound together while it heals.

  • Lacerations Without Stitches
  • A laceration is tear or opening in the skin caused by an injury. Some lacerations are small and need only minor treatment at home.

  • Lactose Intolerance in Children
  • Lactose intolerance is when the body can’t easily break down or digest lactose. Lactose is a sugar found in milk and milk products.

  • Large for Gestational Age (LGA)
  • The average baby weighs about 7 pounds at birth. About 10 percent of all babies weigh more than 8 pounds, 13 ounces. Rarely do babies weigh over 10 pounds.

  • 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.

  • Learning Disorders
  • Learning disorders are sometimes called learning disabilities. Most children with learning disorders have normal intelligence, but they have difficulty with reading, math, or another academic area.

  • 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.

  • Lordosis
  • A spine affected by lordosis has a curve in the vertebrae in the lower back area, giving the child a "swayback" appearance.

  • Low Birthweight
  • If your baby’s birthweight was lower than normal due to premature birth or some other factor, don’t worry. With proper medical attention and your loving care, your baby will soon catch up with the other children in the nursery.

  • Lung Transplantation in Children
  • Detailed information on lung transplant, including why a lung transplant is recommended, what is involved in lung transplant surgery, and long-term outlook for a child after a lung transplant

  • Lying and Stealing
  • Lying and stealing are common, but inappropriate, behaviors in school-aged children. Most of the time these behaviors will be outgrown.

  • Lyme Disease in Children
  • Lyme disease is the leading cause of all insect-borne illness in the United States. It is a year-round problem, although April through October is considered tick season.

  • Lymphadenopathy in Children
  • Lymphadenopathy is the term for swelling of the lymph nodes or glands. These are the bean-shaped glands in the neck, armpits, groin, chest, and abdomen. They act as filters for the lymph fluid as it flows through the body. Lymphadenopathy can occur in just one area of the body, such as the neck. Or it may affect lymph nodes throughout the body. The cervical lymph nodes, found in the neck, are the most common site of lymphadenopathy.

  • Lymphatic Malformations
  • Detailed information on lymphatic malformation, including cause, symptom, diagnosis, and treatment