Browse our Health Library to learn about treatments, conditions, and how Cedars-Sinai can support your healthcare needs.
Blood-clotting disorders are a group of conditions in which there is too much clotting. They are often inherited.
Hyphema is blood in the front (anterior) chamber of the eye. This is located between the clear front part of the eye (cornea) and the colored part of the eye (iris). This section is where fluid flows in and out. The fluid gives ...
Blood in the urine means there are red blood cells (RBCs) in the urine. Often the urine looks normal to the naked eye. But when checked under a microscope, it contains a high number of red blood cells. Here's what you need to know.
Monitoring your blood sugar level can help you control your diabetes and your risk for developing complications such as eye or kidney disease. View this video, and learn how and why checking your blood sugar regularly plays an important ...
Body dysmorphic disorder (BDD) is a mental health problem. If you have BDD, you may be so upset about how your body looks that it gets in the way of your ability to live normally.
A bone bruise is a traumatic injury to a bone that is less severe than a bone fracture.
Primary bone cancer is cancer that starts in your bones. It is also sometimes just called bone cancer. Learn more about symptoms, diagnosis, and treatments.
Bone marrow suppression is when fewer blood cells are made in the marrow. It's a common side effect of some strong medicines, such as chemotherapy.
Bone spurs are smooth, bony growths that form over a long period of time. They are a growth of normal bone that tends to occur as we age. The spurs themselves are not painful. Their effect on nearby structures, such as nerves and the ...
Borderline personality disorder (BPD) is a kind of mental health problem. People with BPD have unstable moods and can act recklessly. They also have a hard time managing their emotions. Read on to learn more.
A boxer's fracture is a break in the neck of the fifth metacarpal bone in the hand. It gets its name because the injury is common in inexperienced boxers.
Brachial neuritis is nerve damage that affects the chest, shoulder, arm, and hand. It causes pain, weakness and lack of muscle control and lack of feeling in the shoulder or arm.
The brachial plexus can be injured in many different ways - from pressure, stress, or being stretched too far. The nerves may also be damaged by cancer or radiation treatment. Sometimes, brachial plexus injuries happen to babies during ...
Brain aneurysms can cause bleeding in the brain. Bleeding in the brain is called a stroke, and stroke can cause serious health problems. Watch and learn about the symptoms of brain aneurysm and how it is repaired.
An abscess is a pocket of infection. In the brain, an abscess may be in one or more areas. This condition may cause problems with how the brain and spinal cord function. It is a serious and life-threatening condition that needs to be ...
Brain cancer includes primary and secondary tumors. Learn more about symptoms, diagnosis, and treatments.
A brain cyst is a fluid-filled sac in the brain. They can be benign (not cancer) or malignant (cancer).
A brain tumor is an abnormal growth of tissue in the brain. The brain is part of the central nervous system (CNS). The CNS also includes the spinal cord.
A branchial cleft abnormality is a cluster of abnormally formed tissue in the neck. A branchial cleft abnormality is a birth defect. It happens when the area does not form as it should during the early stages of an embryo’s development.
If you have a lump in your breast or a suspicious area on your mammogram or ultrasound, your health care provider may recommend a breast biopsy. Having a biopsy doesn't necessarily mean you have cancer. View this video to learn about the...
Breast cancer in men is rare—less than 1% of all breast cancer occurs in men.
The goal of breast cancer screening is to detect cancer at the earliest possible stage, when it is most treatable. This video takes a look at the three components of breast screening—a breast self-exam, a clinical exam by your doctor, ...
Ductal carcinoma is the most common type of breast cancer. It starts in the ducts of the breast. Cancer can start in other parts of the breast, too. Learn more about symptoms, diagnosis, and treatments.
Breastfeeding is the best way to help your baby get a healthy start. But sometime it’s not easy. Learn about some of the common problems women have with breastfeeding and how you can overcome them.
Your wrist is a complex joint made up of many bones, allowing you to move your hand up and down, and side to side, as well as to rotate. A fracture can occur in any of these bones when enough force is applied—when you fall on an ...
Bronchiectasis is a condition that affects the airways to the lungs. It's often caused by an infection or other inflammatory condition. You can also be born with it.
Bronchiolitis is an infection of the lungs. It's when your child has swelling in the smaller airways (bronchioles) of the lung. This swelling blocks air in the smaller airways.
All spiders in the U.S. are poisonous. The fangs of most spiders are too short or too fragile to break through human skin. Or their poison (venom) is too weak to cause damage. Most spider bites cause only minor, local reactions. But some...
Brown syndrome is a rare disorder that limits the eye's normal movements. Here's what you need to know.
Brugada syndrome is a genetic disorder that causes an irregular heartbeat. This rare, but life threatening condition is more common in people of Asian descent.