Health Library

Browse our Health Library to learn about treatments, conditions, and how Cedars-Sinai can support your healthcare needs.

Showing 1 - 27 of 27 results.
Labyrinthitis

Labyrinthitis is the inflammation of part of the inner ear called the labyrinth.The inflammation causes vertigo, hearing loss, and other symptoms. In most people, these symptoms go away over time. It is not a common condition. It usually...

Lactose Intolerance

Lactose intolerance is when your body can’t break down or digest lactose. Lactose is a sugar found in milk and milk products. Lactose intolerance happens when your small intestine does not make enough of a digestive enzyme called ...

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.

Lambert-Eaton Syndrome

Lambert-Eaton syndrome in as autoimmune disorder affecting the areas where nerves and muscles connect. It causes weak muscles, difficulty walking and other symptoms.

Language Disorders in Children

A language disorder in a child means he or she has trouble understanding words that he or she hears and reads. 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 ...

Lateral Collateral Ligament Tears

Tears to the lateral collateral ligament most often occur from a direct blow to the inside of the knee. This can stretch the ligaments on the outside of the near too far and may cause them to tear. This type of injury occurs in sports. ...

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. His or her skill is below what is expected for the child’s age, grade level, and intelligence.

Left Bundle Branch Block

In left bundle branch block, there is a problem with the left branch of the electrical conduction system. The electrical signal can’t travel down this path the way it normally would. The signal still gets to the left ventricle, but it is...

Legg-Calvé-Perthes Disease in Children

Legg-Calvé-Perthes disease (or Perthes disease) is a rare hip condition that affects children.

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.

Lichen Sclerosus

Lichen sclerosus is a long-term skin condition. It causes the skin to become thin, white, and wrinkly. Lichen sclerosus is most common in women who have gone through menopause. It can also happen in men and children, and women who have ...

Lisfranc Joint Injury

A Lisfranc joint injury is a type of injury to the bones or ligaments in the middle part of your foot. In this type of injury, there also is usually damage to the cartilage covering these bones.

Long QT Syndrome

Long QT syndrome can cause life threatening rapid heart rhythms that can lead to fainting or sudden death.

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.

Low Back Pain

Everyone has experienced low back pain at one time or another. Most people can recover from low back pain with home treatment such as activity modification, weight loss, quitting smoking and other steps. Sometimes medication or surgery ...

Low Birth Weight

Low birth weight is a term used to describe babies who are born weighing less than 5 pounds, 8 ounces (2,500 grams). An average newborn usually weighs about 8 pounds. A low-birth-weight baby may be healthy even though he or she is small....

Lumbar Disk Disease (Herniated Disk)

Lumbar disk disease occurs when the spongy disks between the vertebrae bulge out or rupture.

Lumbar Spinal Stenosis

Lumbar spinal stenosis is a narrowing of the spinal canal in your lower back that may cause pain or numbness in your legs.

Lumbar Spine

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 ...

Lumbar Strain

A lumbar strain is an injury to the lower back. This results in damaged tendons and muscles that spasm and feel sore.

Lupus

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 in Children

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

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 in Children

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...

Lymphatic Malformations

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

Lymphocytic colitis is a health problem that causes inflammation of your large intestine. It causes episodes of watery diarrhea and belly pain.

Showing 1 - 27 of 27 results.
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