Aging parents
Learning Center
Polysomnography (sleep study)
Your health care provider may order this test if a sleep disorder such as sleep apnea is suspected. Learn how to prepare and what to expect.
Atypical cells: Are they cancer?
Atypical cells appear abnormal, but they aren't necessarily cancerous.
Small cell, large cell cancer: What this means
Cancer cells are classified by how they look under a microscope. Learn common terms used to describe cancer cells.
Cancer survival rate: What it means for your prognosis
No one can predict the future, but cancer survival rates can give you an idea of your prognosis. Should you pay attention to them?
Mumps
Find out more about the symptoms and treatment of this viral illness and how vaccines can prevent it.
Rett syndrome
This rare genetic disorder affects the way the brain develops, causing a progressive inability to use muscles for eye and body movements and language.
Spermatocele
Learn more about this noncancerous testicular disorder that may require surgery if it's causing discomfort. But, the condition often needs no treatment.
Testicular torsion
Sudden, severe pain in the scrotum could be testicular torsion. Learn about symptoms and treatment for this health emergency.
Toe walking in children
Walking on toes or the balls of the feet is fairly common in children who are learning to walk. Most children outgrow it.
Mayo Clinic Minute: What you need to know about polyps in your colon
Got polyps? Find out why detecting, and removing, colon polyps is so important.
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