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Tests & Procedures

Colon cancer surgery

Learn about the procedures used to treat colon cancer, from simple polyp removal to colectomy.

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Colon cleansing: Is it helpful or harmful?

Get the facts before you try this technique that's popular among some people who practice…

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Colon polyps

These growths typically don't cause symptoms, so it's important to have regular screenings. Have you…

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Colonoscopy

Colonoscopy is one option for colon cancer screening. Find out what to expect during this…

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Color blindness

Is it red or is it green? Learn more about what causes this common eye…

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Colostomy: Surgery, Bags and Stoma Care

Learn about this surgery that helps you pass stool when your colon or rectum can't…

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Colostomy reversal

Learn about this surgery that reconnects the bowel so you can pass stool through your…

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Colposcopy

Find out why colposcopy is done and what to expect during an exam to diagnose…

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Coma

Learn what can cause this state of prolonged loss of consciousness. While a coma rarely…

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Combination birth control pills

This oral contraceptive contains both estrogen and progestin to keep you from ovulating. These medicines…

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Common baby rashes

You might expect a baby's skin to be flawless, but rashes and other skin conditions…

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Common cold

This common illness of the nose and throat causes a stuffy or runny nose, sore…

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Common cold in babies

This viral infection causes a runny and stuffy nose. Find out how to ease symptoms…

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Common warts

Find out tips for preventing and dealing with this common skin condition that causes small,…

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Complete blood count (CBC)

Learn what to expect from having this common blood test, why it's done and how…

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Complex regional pain syndrome

Learn about this neurological condition that may affect an arm or a leg after an…

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Complicated grief

In complicated grief, painful emotions of loss don't improve with time and are so severe…

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Compulsive gambling

Also called gambling disorder, compulsive gambling is the uncontrollable urge to keep gambling despite the…

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Compulsive sexual behavior

Also called sexual addiction, this means being obsessed with sexual fantasies, urges, or behaviors that…

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Computer-assisted brain surgery

Learn how computer-assisted brain surgery uses advanced imaging to create a 3D model of your…

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Computerized tomography (CT) urogram

Learn more about this imaging exam used to diagnose urinary tract disorders.

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Concussion

This brain injury can cause headaches, dizziness, trouble concentrating and other symptoms that often improve…

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Concussion in children: What are the symptoms?

Whether your child's concussion is mild or severe, allow time to recover.

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Concussion testing and screening tools

These screening tools help measure brain function after head trauma and help athletes at risk…

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Congenital adrenal hyperplasia

This group of inherited genetic conditions limits the adrenal glands' ability to make certain vital…

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Congenital diaphragmatic hernia (CDH)

In CDH, a baby's diaphragm — the muscle that separates the chest from the abdomen…

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Congenital heart defects in children

Learn about symptoms, tests and treatments for children born with a problem in the structure…

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Congenital heart disease in adults

A heart problem present at birth may not cause symptoms until adulthood. Learn how adult…

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Congenital mitral valve anomalies

These heart conditions present at birth cause the mitral valve to leak or become narrowed.…

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Congenital myasthenic syndromes

These rare hereditary conditions result in a problem in nerve stimulation, causing muscle weakness that…

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