Conditons & Treatments

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

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 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 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.

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

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

Pneumonia is a term that refers to inflammation of the lung. Bacterial pneumonia means that the inflammation is caused by a bacterial infection. This video takes a look at the possible causes and recommended treatments.

Detailed information on halitosis (bad breath), including causes and treatment

A Baker 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 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 ...

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.

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 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 (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) is also called benign prostatic hypertrophy. It’s when the prostate gland becomes very large and may cause problems passing urine. BPH is not cancer, and is a common part of aging.

Beta thalassemia is a genetic disease inherited from one or both parents. Read on to learn more about the different forms of this disease, treatment, and more.

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 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 ...

Bile duct cancer is rare. It starts in the cells of the bile ducts. The bile ducts are a network of tiny tubes that connect the liver and the gallbladder to the small intestine. Learn more about symptoms, diagnosis, and treatments.

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 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 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.

A birth defect is a health problem or abnormal 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.

Bladder cancer most often starts in the cells that make the inside lining of the bladder. Learn more about symptoms, diagnosis, and treatments.

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...

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.

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

In some babies, the openings into the tear duct don’t form the right way. This causes a blockage. The tears have no place to drain.