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

Showing 61 - 90 of 107 results.
High Cholesterol

The body needs two major kinds of fats in the bloodstream to operate well: cholesterol and triglycerides. They provide energy, protect the body from cold and help avoid injury. Fats and protein form lipoproteins, which travel throughout ...

High Dose Rate Brachytherapy

High dose rate brachytherapy is a type of radiation therapy that uses implanted radioactive seeds to deliver maximum radiation to a tumor for a shorter period of time. Doctors recommend this therapy to directly target tumors while ...

High-Intensity Focused Ultrasound (HIFU)

High-intensity focused ultrasound (HIFU) is a treatment that may be an option for patients with cancer localized to the prostate, where potentially curative treatment is needed. HIFU is essentially a noninvasive treatment.

Hip Fracture

A hip fracture is a break in the thigh bone (femur) of your hip joint. The majority happen to people older than 60 years of age, and women get more hip fractures than men.

Hip Impingement (FAI)

Normally, the round head at the top of the femur bone (the thigh bone) glides smoothly in the hip socket. If the top of the femur is not round (cam impingement) or if the front edge of the socket is too prominent (pincer impingement), ...

Hip Replacement Surgery

According to the American Association of Orthopaedic Surgeons, more than 200,000 hip replacements are performed each year. Of these, osteoarthritis accounts for the majority of patients needing a hip replacement operation. The physicians...

Hirschsprung Disease in Children

Hirschsprung disease is a rare birth defect. It affects the nerve cells in the large intestine. These nerve cells control the muscles that move food and waste, or stool, through the large intestine. The large intestine is the last part ...

Hirsutism in Women (Excess Body Hair Growth)

Detailed information on excessive hairiness, including causes, diagnosis, and treatment.


AIDS is caused by the human immunodeficiency virus, which kills or impairs cells of the immune system and progressively destroys the body's ability to fight infections and certain cancers.

HIV and Dementia

HIV affects the brain and nervous system and can cause dementia.

Hives (Urticaria)

Detailed information on hives, including what food and medicines commonly cause them.

Hodgkin Lymphoma in Children

Hodgkin lymphoma is a type of cancer in the lymphatic system. The lymphatic system is part of the immune system. It helps to fight diseases and infections. The lymphatic system also helps with balancing fluids in different parts of the ...

Hodgkin Lymphoma: Overview

Hodgkin lymphoma is cancer that starts in the lymphatic system. The lymphatic system is part of the immune system. Learn more about symptoms, diagnosis, and treatments.

Hookworm Infection: Creeping Eruption

Creeping eruption is a skin infection caused by hookworms. It causes severe itching, blisters, and a red growing, winding rash. Read on to learn about causes, prevention, and treatment.

Hookworm Infection: Creeping Eruption

Creeping eruption is a skin infection caused by hookworms. It causes severe itching, blisters, and a red growing, winding rash. Read on to learn about causes, prevention, and treatment.

Hormone Therapy

Hormone therapy is aimed cancer cells all around the body. This is unlike other treatments that focus on one specific spot. There are two types of hormone therapy: medication to change the way hormones work and surgery to remove the ...

Horseshoe Kidney (Renal Fusion) in Children

Horseshoe kidney is when the 2 kidneys join (fuse) together at the bottom. They form a U shape like a horseshoe.

Human Parainfluenza Viruses (HPIVs) in Children

Human parainfluenza viruses (HPIVs) are a group of viruses that cause different types of respiratory infections. They are more common in children and babies. But they can occur in people of any age, especially those with a weak immune ...

Huntington Disease

Huntington disease is a brain disorder that can lead to emotional disturbances, loss of intellectual abilities, and uncontrolled movements.


In this condition, there is too much amniotic fluid around your baby during pregnancy. It happens in about 1 in 100 pregnancies.

Hydrocele in Children

A hydrocele is fluid buildup in the thin pouch that holds the testes in the scrotum. Up to 1 in 10 baby boys have a hydrocele at birth. In most cases, it goes away without treatment in the first year.


A baby with hydrocephalus has extra fluid around the brain. This fluid is called cerebrospinal fluid (CSF). Too much CSF can increase the pressure in your baby’s head. This causes the bones in your baby’s skull to expand and separate. ...

Hydrops Fetalis

Hydrops fetalis is severe swelling (edema) in an unborn baby or a newborn baby. It is a life-threatening problem.

Hyperbilirubinemia in the Newborn

Hyperbilirubinemia happens when there is too much bilirubin in your baby’s blood. Bilirubin is made by the breakdown of red blood cells. It’s hard for babies to get rid of bilirubin. It can build up in their blood, tissues, and fluids.

Hyperemesis Gravidarum

Many pregnant women have some nausea and sometimes vomiting in the first trimester. A few pregnant women have a severe kind of nausea and vomiting called hyperemesis gravidarum. Read on to learn more about this condition.


Hyperhidrosis is excessive sweating that most commonly occurs in the hands, armpits and feet. Hyperhidrosis in the hands can be severely debilitating, especially in social situations. In the feet, it can be dangerous during activities ...


Hyperparathyroidism occurs when 1 or more of your parathyroid glands are overactive. You have 4 of these tiny glands. Each one is about the size of a grain of rice. They are found in your neck, next to the thyroid gland. They keep the ...

Hyperparathyroidism in Children

Hyperparathyroidism is when the parathyroid glands make too much parathyroid hormone. The condition is rare in children.

Hypersensitivity Pneumonitis

Hypersensitivity pneumonitis is an allergic reaction that causes inflammation (swelling and tenderness) in and around the air sacs (alveoli) of the lungs and the smallest airways (bronchioles).

Hypersensitivity Vasculitis

Hypersensitivity vasculities is sometimes called leukocytoclastic vasculitis. Its symptoms are similar to Henoch-Schönlein purpura. However, hypersensitivity vasculitis affects persons who are older. It usually isn't accompanied by the ...

Showing 61 - 90 of 107 results.
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