Browse our Health Library to learn about treatments, conditions, and how Cedars-Sinai can support your healthcare needs.
Absence seizures are a type of epilepsy that is most common in children. it is characterized by a blank or absent stare.
Achalasia is a rare disease that makes it hard to swallow foods and liquids. In achalasia, there is a problem with the tube that carries food from the mouth to the stomach (esophagus).
Achilles tendon injuries affect the Achilles tendon, a fibrous band of tissue that links the muscles in your calf to your heel. The strength and flexibility of this tendon are important for jumping, running, and walking.
Achondroplasia is a group of rare genetic (inherited) bone disorders. Achondroplasia is the most common type of what was once called dwarfism, in which the child's arms and legs are short in proportion to body length.
Acne affects teens and adults of all ages. It happens when oil secreted by sebaceous glands clogs the hair follicle. Bacteria infect the clogged follicle and cause pimples.
Acne is a disorder of the hair follicles and sebaceous glands. Hair follicles are the areas around the base or root of each hair. Sebaceous glands are the tiny glands that release oil (sebum) into the hair follicles. The sebum moistens ...
Acoustic neuroma is a rare noncancerous tumor. It grows slowly from an overproduction of Schwann cells and is also called a vestibular schwannoma. The tumor then presses on the hearing and balance nerves in the inner ear. Schwann cells ...
Hypothyroidism is when the thyroid gland doesn't make enough thyroid hormone. The condition is more common in adults. But it’s the most common thyroid disorder in children. Not enough thyroid hormone leads to signs such as slow growth, ...
When your pituitary gland makes too much growth hormone, abnormal growth occurs. This is called acromegaly. The abnormal growth starts in your hands and feet, as soft tissue begins to swell. This rare disease affects mostly middle-aged ...
Acute bacterial rhinosinusitis (ABRS) is an infection of both your nasal cavity and sinuses. It is caused by bacteria.
Bronchitis is inflammation of the breathing tubes. These airways are called bronchi. This inflammation causes increased mucus production and other changes. Although there are several different types of bronchitis, the most common are ...
Bronchitis is an inflammation of the large breathing tubes (bronchi) in the lungs. Short-term (acute) bronchitis means that the symptoms often develop quickly and don’t last long.
AFLP is a rare, but serious, liver problem in pregnancy. With AFLP the liver cells have too much fat, which can damage the liver.
Acute liver failure is when your liver suddenly begins to lose its ability to function. This often happens right after an overdose of medication or poisoning.
Pancreatitis is inflammation of the pancreas. It can be caused by gallstones, alcohol consumption, and certain medications, among other causes.
Acute spinal cord injury (SCI) is when the spinal cord is damaged from an accident or other situation. An SCI may be a bruise (contusion), a partial tear, or a complete tear (transection) in the spinal cord.
Car accidents, falls, and other injuries are a common cause of acute spinal cord injury.
Addison's disease is when the adrenal glands don't make enough of two steroid hormones. The hormones are cortisol and aldosterone. Cortisol controls the body's metabolism, blocks inflammatory reactions, and affects the immune system. ...
Adenoviruses are a group of viruses that cause a variety of infections. These include the common cold, conjunctivitis, and croup.
An adjustment disorder is an unhealthy emotional or behavioral reaction to a stressful event or change in a person’s life. The response happens within 3 months of the stressful event.
Adrenal insufficiency occurs when the adrenal glands don’t make enough of the hormone cortisol. You have two adrenal glands. They are located just above the kidneys. They work with the hypothalamus and pituitary glands in the brain. ...
Afferent loop syndrome is a complication of certain types of stomach surgery.
African sleeping sickness (African trypanosomiasis) is a disease caused by a parasite. It is passed on by the bite of the infected tsetse fly.
Age-related hearing loss (presbycusis) is the gradual loss of hearing in both ears. It’s a common problem linked to aging.
Age-related macular degeneration (AMD) is a disease that affects a person’s central vision. AMD is the most common cause of severe loss of eyesight among people ages 60 and older. Only the center of vision is affected with this disease.
AIDS-related lymphoma is a type of cancer called non-Hodgkin lymphoma. It grows in some people with AIDS. AIDS is a disease that weakens the immune system. AIDS raises the risk for long-term (chronic) disease, such as cancer.
Alagille syndrome is an inherited condition in which bile builds up in the liver because there are too few bile ducts to drain the bile. This results in liver damage.
Alcohol-induced liver disease is caused by heavy use of alcohol. The liver’s job is to break down alcohol. If you drink more than it can process, it can become badly damaged.
Alcoholic hepatitis is liver inflammation and damage cause by drinking too much alcohol over time.
Poison ivy, poison oak, and poison sumac are native American plants. These plants cause an allergic reaction in most people who are exposed to them.