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Disease

Lyme disease

Learn about the symptoms, diagnosis and treatment of this common tick-borne illness.
Disease

Arteriovenous malformation

In this condition, a tangle of blood vessels affects the flow of blood and oxygen. Treatment can help.
Disease

Myasthenia gravis

A breakdown in the communication between nerves and muscles causes weakness and fatigue of muscles under your control.
Disease

Food poisoning (foodborne illness)

Learn more about illnesses that can cause upset stomach, vomiting and diarrhea within hours of eating tainted food.
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

Knee pain

Learn about this common complaint, which can result from an injury or medical condition, and find out which treatments may help.
Disease

Subarachnoid hemorrhage

Learn about how this type of bleeding in the brain is diagnosed and treated.
Disease

Respiratory syncytial virus (RSV)

This common illness affects the lungs. It can seem like a cold, but may be severe, especially in children. Know the symptoms and treatment.
Disease

Wet macular degeneration

Blurred vision or blind spots could be a sign of this eye disorder. Recognizing the warning signs could save your vision.
Disease

Legionnaires' disease

Bacteria that can live in water from air conditioning systems, showers and spas cause this severe form of pneumonia.
Disease

Constipation

Learn how to prevent and treat infrequent or painful passing of stool.
Disease

Frontotemporal dementia

Read more about this less common type of dementia that can lead to personality changes and trouble with speech and movement.

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