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Learning Center
Mitral valve stenosis
When the valve between the left heart chambers is narrowed, the heart doesn't get enough blood. Know the symptoms, causes and treatment of this type of heart valve disease.
Broken wrist
The most common type of wrist fracture occurs when people try to catch themselves during a fall and land hard on an outstretched hand.
Ulcerative colitis
This type of inflammatory bowel disease affects the innermost lining of your digestive tract. Learn about available treatments for this often exhausting condition.
Hepatitis B
This highly contagious virus can cause long-lasting problems if it goes untreated. Learn about the symptoms, treatment and prevention of this serious liver infection.
Hepatitis A
This contagious liver infection is caused by a virus. Learn more about its symptoms, treatment and prevention, including the hepatitis A vaccine.
Vulvar cancer
Learn about this rare cancer that forms on the skin that surrounds the urethra and vagina. Treatments include surgery, radiation and chemotherapy.
Polycystic ovary syndrome (PCOS)
Polycystic ovaries, hormone imbalance and irregular periods are telltale signs and symptoms of polycystic ovary syndrome. Find out about treatments.
Peyronie disease
Understand what causes bent and painful erections and learn what treatments are available.
Nightmare disorder
Nightmare disorder involves disturbing or scary dreams that awaken you, causing distress or preventing adequate sleep.
Sleep terrors (night terrors)
These are times of screaming or crying, intense fear, and sometimes waving arms and legs during sleep. The person often sits up in bed, looking scared.
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