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Disease

Adrenoleukodystrophy

Find out about diagnosis and treatment of adrenoleukodystrophy — a hereditary disorder that affects the brain, nervous system and adrenal gland.
Disease

Microcephaly

Learn more about microcephaly, when an infant's head is smaller than expected. The condition affects child development.
Disease

Mumps

Find out more about the symptoms and treatment of this viral illness and how vaccines can prevent it.
Disease

Central nervous system (CNS) lymphoma

Learn about central nervous system lymphoma, a cancer of the brain and nervous system, including symptoms, causes, diagnosis and treatment options.
Disease

Heart arrhythmia

Learn about common heart rhythm disorders that can cause your heart to beat too fast, too slow or irregularly.
Disease

Mitral valve disease

Learn more about diseases that affect the valve between the left heart chambers, including mitral valve regurgitation and mitral valve stenosis.
Disease

Atrial flutter

In this condition, the heart's upper chambers beat too quickly, causing a fast, but usually regular, heart rhythm. Learn how it's treated.
Disease

Heart disease

Learn about symptoms, causes and treatment of cardiovascular disease, a term describing a wide range of conditions that can affect the heart.
Disease

Generalized anxiety disorder

Excessive, ongoing anxiety and worry can interfere with your daily activities and may be a sign of generalized anxiety disorder, but treatment can help.
Disease

Rett syndrome

This rare genetic disorder affects the way the brain develops, causing a progressive inability to use muscles for eye and body movements and language.
Disease

Angiosarcoma

Learn about this rare cancer that begins in the blood vessels and lymph vessels. Treatments include surgery, radiation therapy and chemotherapy.
Disease

Ewing sarcoma

Learn about diagnosis and treatment of this bone and soft tissue cancer, including chemotherapy, radiation, proton beam therapy and limb-saving surgery.
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