Health Library

Articles In This Section

• A to Z: Li-Fraumeni Syndrome

  This genetic condition makes a person more likely to get cancer during his or her lifetime. Learn more here.

• A to Z: Lipoma

  A lipoma is a non-cancerous mass of fat cells that grows under the skin.

• A to Z: Lyme Disease

  Lyme disease is a bacterial infection spread through the bite of deer ticks.

• A to Z: Lymphadenitis

  Learn about bacterial infections and problems of the lymphatic system.

• A to Z: Lymphangioma Circumscriptum

  Learn about congenital defects and conditions that affect the lymphatic system.

• A to Z: Lactose Intolerance

  Lactose intolerance happens because the body has trouble digesting a kind of sugar that's in milk products.

• A to Z: Lateral Malleolar Fracture

  See: Fracture, Lateral Malleolus.

• A to Z: Legg-Calvé-Perthes Disease

  Learn about this rare hip disorder, which is most common in boys.

• A to Z: Lumbago

  Learn about causes of back pain and conditions that affect the back and spine.