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Cellulitis

Find out more about this potentially serious skin infection and how a few simple skin…

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Cellulitis: How to prevent recurrent episodes

Learn to treat and prevent recurrent cellulitis.

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Cellulitis infection: Is it contagious?

Cellulitis — a common, potentially serious bacterial skin infection — is not directly contagious.

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Central-acting agents

Learn how these blood pressure medicines work, what else they treat and the possible side…

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Central nervous system vascular malformations

Several types of this condition affect the blood vessels in the brain or spinal cord.

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Central sleep apnea

Find out how a mix-up in brain signals can affect your breathing during sleep, and…

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Cerebral palsy

Learn about this group of conditions that affect movement. It’s caused by damage to the…

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Cervical cancer

Screening with Pap tests can reduce the risk of this cancer that begins in the…

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Cervical cysts: Can they be cancerous?

These sacs that form in the cervix aren’t cancer. Some of them are very common.

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Cervical dysplasia: Is it cancer?

Learn what to expect if a Pap test shows cells that look different from typical…

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Cervical dystonia

This rare movement disorder causes neck muscles to contract involuntarily. This can make your head…

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Cervical length: Why does it matter during pregnancy?

If the cervix shortens too soon during pregnancy, it could raise the risk of preterm…

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Cervical spondylosis

As people age, the spinal disks in the neck shrink and bone spurs often develop.…

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Cervicitis

Sexually transmitted infections are often the reason why a woman develops inflammation of the cervix,…

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Chagas disease

Learn more about this easily spread disease caused by a parasite.

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Charcot-Marie-Tooth disease

Learn about the symptoms of and treatments for this group of peripheral nerve conditions.

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Chart of high-fiber foods

Looking to eat more fiber every day? Here are some common foods that can help.

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Chelation therapy for heart disease: Does it work?

Learn what this treatment is and whether it can help people with heart disease.

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Chemical burns: First aid

How to recognize and administer first aid for minor to serious chemical burns.

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Chemical peel

Learn about your options and what to expect with this skin-resurfacing procedure that removes layers…

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Chemical splash in the eye: First aid

Learn how to administer first aid for a chemical splash in the eye.

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Chemo brain

Learn about the memory and thinking changes that sometimes happen during and after cancer treatment.…

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Chemotherapy

Chemotherapy drugs are used to treat many types of cancer. Learn why it’s done, side…

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Chemotherapy and hair loss: What to expect during treatment

Get an idea of what to expect during chemotherapy so you can plan ahead for…

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Chemotherapy and sex: Is sexual activity OK during treatment?

Chemotherapy and sex aren’t mutually exclusive, as long as you’re feeling up to it.

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Chemotherapy for breast cancer

Learn how doctors use this drug treatment to kill rapidly growing breast cancer cells. Find…

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Chemotherapy for colon cancer

Chemotherapy is often used to treat colon cancer. Find out how to prepare for your…

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Chemotherapy nausea and vomiting: Prevention is best defense

Work with your healthcare team to understand whether your chemotherapy is likely to cause nausea…

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Chemotherapy side effects: A cause of heart disease?

Chemotherapy side effects may include a risk of heart conditions, such as weakened heart muscle…

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Chest pain

Pain in the chest has many possible causes — and some are serious. Here’s why…

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