Browse our Health Library to learn about treatments, conditions, and how Cedars-Sinai can support your healthcare needs.
Diseases & Conditions
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 affects hearing and balance when the tumor presses on the nerves in the inner ear.
If you have hemophagocytic lymphohistiocytosis, your immune system does not work normally. Certain white blood cells - histiocytes and lymphocytes - attack your other blood cells. These abnormal blood cells accumulate in your spleen and ...
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, ...
Acromegaly is abnormal growth that occurs when an adult's pituitary gland makes too much growth hormone. The abnormal growth starts in your hands and feet, as soft tissue begins to swell. This rare disease affects mostly middle-aged people.
Diseases & Conditions
Acute bacterial rhinosinusitis (ABRS) is an infection of both your nasal cavity and sinuses. It is caused by bacteria. Here's what you need to know about this condition.
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 starts to not work. This often happens right after an overdose of medicine or poisoning.
Pancreatitis is inflammation of the pancreas. It can be caused by gallstones, alcohol consumption, and certain medicines, among other causes.
Car accidents, falls, and other injuries are a common cause of acute spinal cord injury.
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.
A traumatic injury to the spine can cause a bruise, a partial tear, or a complete tear in the spinal cord. The most common sites of injury are the cervical and thoracic areas.
Addison 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 cancer is a rare cancer that starts in the adrenal glands. You have 2 adrenal glands. One sits on top of each kidney. Learn more about symptoms, diagnosis, and treatments.
Adrenal insufficiency is a disorder that occurs when the adrenal glands don't make enough of the hormone cortisol. This hormone controls blood pressure and affects how your immune system works.
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 slow 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. It's the most common cause of severe eyesight loss among people age 50 and older.
Diseases & Conditions
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.