Browse our Health Library to learn about treatments, conditions, and how Cedars-Sinai can support your healthcare needs.
The lumbar spine is the lower back. It is made up of five or six vertebrae, depending on the individual. (The extra bone does not make a difference to one's health.) The vertebrae in the lumbar spine area are the largest of the entire ...
A lumbar strain is an injury to the lower back. This results in damaged tendons and muscles that spasm and feel sore.
Lung cancer is cancer that starts in the cells that make up the lungs. Learn more about symptoms, diagnosis, and treatments.
Systemic lupus erythematosus (lupus) is a disease that causes your body's immune system to attack its own cells and tissues. It causes periods of inflammation to various parts of the body. It can affect your joints, tendons, and skin. It...
Lyme disease is an infection caused by bacteria called Borrelia burgdorferi. The bacteria are usually spread by tick bites. Lyme disease is a year-round problem, but it peaks during the spring and summer months.
Lymphadenitis is an infection in one or more lymph nodes. The lymph nodes help filter bacteria, viruses, and other unwanted material from the body.
Lymphadenopathy means swelling of the lymph nodes or glands. 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...
A lymphatic malformation is a lymphatic vessel that isn’t formed right. The malformations are lymphatic tissue filled with fluid (cyst). Your child may have one or more of these cysts.
Lymphocytic colitis is a health problem that causes inflammation of your large intestine. It causes episodes of watery diarrhea and belly pain.