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Disease

Swimmer's itch

Learn more about the symptoms, treatment and prevention of this itchy rash that usually affects people swimming in freshwater lakes.
Disease

Seborrheic dermatitis

Find out what you can do to treat this flaky skin condition that can cause scaly skin and stubborn, itchy dandruff.
Disease

Smallpox

Learn about the symptoms, causes and vaccine prevention of this virus that's easy to catch and sometimes fatal.
Disease

Tuberous sclerosis

This uncommon genetic disorder causes tumors that are not cancer. These tumors are unexpected overgrowths of tissue in different parts of the body.
Disease

Cold sore

Learn more about the causes, symptoms, treatment and prevention of this common lip sore caused by the herpes simplex virus type 1 (HSV-1).
Disease

Melanoma

Learn about the symptoms, diagnosis and treatments for the most serious form of skin cancer.
Disease

Tapeworm infection

Tapeworms in the intestines usually cause mild disease. Immature tapeworms, called larval cysts, can cause serious disease in other parts of the body.
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

Scoliosis

This side-to-side curve of the spine happens most often during the growth spurt after age 10. Treatment may include bracing or surgery.
Disease

Mouth cancer

Learn what healthcare professionals look for when diagnosing mouth cancer. Find out about oral cancer treatments, including surgery, chemotherapy and radiation.
Disease

Squamous cell carcinoma of the skin

This common skin cancer usually looks like a bump or a scaly sore. Learn about symptoms and treatment options, including freezing, lasers and surgery.
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