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Disease

Whipple's disease

Learn more about the symptoms, causes and treatment of this rare, mainly digestive infection.
Disease

Pseudobulbar affect

This neurological condition is characterized by laughing and crying too much for the situation.
Disease

Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS)

This complicated condition may be triggered by an infection. While there's no cure for ME/CFS, treatment focuses on easing symptoms.
Disease

Achalasia

In this condition, the muscles in the esophagus don't relax, preventing food and drink from moving into the stomach. Learn more about this rare digestive disorder.
Disease

Botulism

Bacteria that have contaminated food or a wound may cause this rare but serious condition. Learn about how to prevent it.
Disease

Pineal gland tumor

Learn about tumors that affect the pineal gland, including types, symptoms, diagnosis, treatment options, recovery and long-term outlook.
Disease

Meningioma

This is the most common type of tumor that forms in the head and may affect the brain. Find out about symptoms, diagnosis and treatment.
Disease

Mitral valve regurgitation

Learn more about the symptoms and treatment of this most common heart valve condition, which causes blood to leak backward in the heart.
Disease

Mitral valve prolapse

This heart condition, also called Barlow syndrome, affects the valve separating the left heart chambers. Know the symptoms and when it’s treated.
Disease

Infant reflux

Learn more about this condition in which a baby spits up food or liquid. Most babies outgrow this common condition by the age of 18 months.
Disease

Common cold in babies

This viral infection causes a runny and stuffy nose. Find out how to ease symptoms and when to see a healthcare professional.
Disease

Lazy eye (amblyopia)

Abnormal visual development early in life can cause reduced vision in one eye, which often wanders inward or outward.

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