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Disease

Congenital mitral valve anomalies

These heart conditions present at birth cause the mitral valve to leak or become narrowed. Know the symptoms and treatment.
Disease

Polio

Learn more about this contagious viral illness that affects the nervous system. Severe disease can lead to paralysis, trouble breathing and sometimes death.
Disease

Reye's syndrome

Learn about the causes and treatment of this rare but serious condition causing swelling in the liver and brain.
Disease

Tonsillitis

Learn about this common cause of sore throat in children and its treatment.
Disease

Nickel allergy

Nickel allergy is an immune system reaction to nickel. This metal is often in jewelry, clothing fasteners, electronics and many other common items.
Disease

Hemangioma

This red mark on a baby's skin looks like a rubbery bump or flat red mark and is made up of extra blood vessels in the skin. It generally goes away by age 10. Learn more about its causes and treatment.
Disease

Actinic keratosis

Find out more about this skin condition that causes a rough, scaly patch after years of ultraviolet exposure from the sun or indoor tanning.
Disease

Asthma

Find out what can trigger asthma and how to relieve your symptoms and breathe easier.
Disease

Colon cancer

Find out about symptoms and causes for this cancer that starts in the large intestine. Learn about treatment options, including minimally invasive surgery.
Disease

Thyroid cancer

Learn about thyroid cancer diagnosis and treatment, including thyroid surgery, radioactive iodine and thyroid hormone therapy.
Disease

End-stage renal disease

When kidneys no longer function well enough to meet a body's needs, treatment involves kidney dialysis or kidney transplant.
Disease

Trichotillomania (hair-pulling disorder)

In this mental health condition, people can't resist urges to pull out hair from their body. They do this often. Therapy may help reduce or stop urges.

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