Health Library


Showing 1 - 30 of 57 results.
Back and Neck Pain

Back and neck pain can interfere with your ability to function. Overuse, overweight, and other problems can cause back and neck pain.

Back Muscles

Soft tissues around the spine also play a key role in the health of the back. A large, complex group of muscles work together to support the trunk and hold the body upright. They also allows the trunk to move, twist and bend in multiple ...

Bacterial Endocarditis in Children

Bacterial endocarditis is an infection of the lining of the heart (endocardium), and the heart valves. It does not happen very often, but when it does, it can cause serious heart damage.

Bacterial Endocarditis: Adult

Bacterial endocarditis is a bacterial infection of the inner layer of the heart or the heart valves. The heart has 4 valves. These valves help the blood flow through the heart and out to the body. When a person has bacterial ...

Bacterial Gastroenteritis

Gastroenteritis is inflammation in the digestive tract, including the stomach and the small and large intestines. A virus, bacteria, or parasites can cause gastroenteritis. When it's caused by a type of bacterium, it’s known as bacterial...

Bacterial Meningitis

Bacterial meningitis is an infection of the membranes that cover the brain and spinal cord. It is characterized by headache, stiff neck, and high fever.

Baker’s Cyst

A Baker’s cyst (popliteal cyst) is a fluid-filled sac that forms behind the knee.


Baldness, or hair loss, can be caused by many things including aging, hormones or illness. It's more common in men and can be treated with hair transplants or other procedures.

Barrett's Esophagus

Barrett's esophagus is when the normal cells that line your food pipe (esophagus) turn into cells not usually found in your body. The new cells take over because the lining of the esophagus has been damaged. The new, abnormal cells are ...

Becker Muscular Dystrophy (BMD) in Children

Muscular dystrophy (MD) is an inherited (genetic) disorder of the muscles. It is called a neuromuscular disease. There are several types. Becker muscular dystrophy (BMD) is a rare type.


Bedsores can develop in a person who is bedridden or immobile. Pressure causes skin damage and breakdown. It can take days, weeks, or months to heal. It is important to prevent bedsores.

Behcet Disease

Behcet disease is a type of autoimmune disease. It causes inflammation of blood vessels. It’s a rare disease in the United States, but it is more common in the Middle East and Asia. It’s more common in people in their 20’s or 30’s, but ...

Bell's Palsy

Bell's palsy is an unexplained episode of facial muscle weakness or paralysis that begins suddenly and worsens over 48 hours. It is caused by a damaged facial nerve.

Benign Paroxysmal Positional Vertigo

Benign paroxysmal positional vertigo (BPPV) is a disease of the vestibular system of your inner ear. When you change your head position, it causes vertigo. Vertigo is a feeling that the room is spinning around you.

Benign Prostatic Hyperplasia (BPH)


Beta Thalassemia

Thalassemia is an inherited blood disorder that is passed down through the parent’s genes. It affects how hemoglobin is made. Hemoglobin is an iron-rich protein in red blood cells. It carries oxygen to all the parts of the body. There ...

Beta Thalassemia in Children

Beta thalassemia is an inherited blood disorder. This means it is passed down through the parent’s genes. It is a form of anemia. Anemia is a low red blood cell or low hemoglobin level. Hemoglobin is part of red blood cells. It carries ...

Bicuspid Aortic Valve

Bicuspid aortic valve is a type of abnormality in the aortic valve in the heart. In bicuspid aortic valve, the valve has only two small parts, called leaflets, instead of the normal three. This condition is present from birth. It often ...

Biliary Atresia in Children

Biliary atresia is a rare liver disease that occurs in infants. It is often found shortly after birth. The disorder affects tubes in the liver called bile ducts. If not treated with surgery, it can be fatal.

Bipolar Disorder

Bipolar disorder is a mood disorder. People with bipolar disorder switch between periods of mania and periods of depression. There is no cure, but medicine and therapy can help manage symptoms.

Bipolar Disorder in Teens

Bipolar disorder is a type of depression. A teen with bipolar disorder often has extreme mood swings. These mood swings go beyond the day’s normal ups and downs.

Birth Defects in Children

A birth defect is a health problem or physical change that is present when a baby is born. Birth defects can be very mild, where the baby looks and acts like any other baby. Or birth defects can be more severe.

Blepharitis in Children

Blepharitis is an inflammation in the oil glands of the eyelid. It causes swollen eyelids and crusting around the eyelashes. Even after it’s treated and goes away, it can often come back again and again for years. It can often lead to an...

Blind Loop Syndrome

In blind loop syndrome, food is not able to follow the normal digestive route. Instead, it bypasses a section of your intestine.


Blisters are bubbles on the skin that are filled with bloody or clear fluid. Blisters are common injuries and often heal on their own.

Blocked Intestine

An intestinal blockage interrupts the normal digestive process. Many possible causes can lead to intestinal blockage including scarring, a hernia, or tumors.

Blocked Tear Duct (Dacryostenosis) in Children

A blocked tear duct is called dacryostenosis. It may also be called a congenital lacrimal duct obstruction. Congenital means that your baby is born with it.

Blood Clotting Disorders in Children

Blood-clotting disorders are a group of conditions in which there is too much clotting. They are often inherited.

Blood in the Eye (Hyphema) in Children

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 ...

Showing 1 - 30 of 57 results.
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