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
Ventricular septal defect (VSD)
In this heart problem present at birth, there is a hole between the two lower heart chambers. Know the symptoms and when surgery is needed.
Disease
Skull base tumors
Skull base tumors are abnormal growths at the base of the skull that can be benign or cancerous and cause symptoms such as headaches, dizziness and nosebleeds. Treatment may include surgery, radiation or careful monitoring.
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
Occupational asthma
Dust, fumes and other substances at work can cause asthma. Find out how to recognize this common type of asthma.
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.