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Tests & Procedures

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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Douleur thoracique

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

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Chest pain: First aid

Learn about the different types of chest pain and what first-aid steps to take if…

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Chest X-rays

Learn what these chest images can show and what conditions they may uncover.

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Chiari malformation

Learn about this brain condition in which brain tissue extends into the spinal canal.

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Chickenpox

Learn more about preventing this once-common childhood illness. Also, find out how to recognize and…

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Chickenpox and pregnancy: What are the concerns?

Understand the risks posed by chickenpox during pregnancy.

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Chilblains

Learn how to prevent and treat this seasonal skin condition that causes injury to unprotected…

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Child abuse

Child abuse includes physical, sexual, emotional and medical abuse, as well as neglect. Learn about…

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Child growth: Can you predict adult height?

Worried about your child's growth? Find out how you can get an idea of how…

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Child sleep: Put preschool bedtime problems to rest

When a child has trouble sleeping, a gentle but firm bedtime routine is often the…

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Childhood apraxia of speech

This speech disorder happens when the brain doesn't communicate properly with the muscles used for…

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Childhood asthma

This lung condition causes the airways to swell and narrow, making it difficult to breathe.…

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Childhood obesity

This complex disease involves having excess body fat early in life, and it can lead…

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Childhood schizophrenia

This severe mental disorder in children involves hallucinations, delusions, and disordered thinking and behavior that…

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Childhood vaccines: Tough questions, straight answers

When it comes to childhood vaccines, misinformation is common. Get the facts about vaccine safety…

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Children and gender identity: Supporting your child

Learn how to talk to children about their internal sense of gender. Also find out…

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Child's pose

Relax with this yoga pose and stretch your back and hips.

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Chiropractic adjustment

Chiropractors apply a controlled force to individual spinal joints to improve mobility and relieve discomfort.

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Chlamydia trachomatis

This common sexually transmitted infection (STI) can lead to serious health problems if left untreated.…

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Choking: First aid

Be prepared to provide emergency first aid if you or someone else is choking.

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Cholangiocarcinoma (bile duct cancer)

Learn about symptoms, risk factors, diagnosis and treatment, including transplant, for this rare cancer that…

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Cholecystectomy (gallbladder removal)

Does your gallbladder need to come out? Find out what happens during this common surgical…

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Cholecystitis

Learn the causes, symptoms, complications and treatment of gallbladder inflammation.

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Cholera

This dangerous but treatable disease causes diarrhea and dehydration. Learn how to lower your risk.

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Cholestasis of pregnancy

This liver condition can occur late in pregnancy, triggering intense itching. The risk of complications…

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Cholesterol level: Can it be too low?

A high cholesterol level is unhealthy. Rarely, very low cholesterol may pose risks too.

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Cholesterol-lowering supplements may be helpful

Diet and exercise are proven ways to reduce cholesterol. Cholesterol-lowering supplements might help, too.

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Cholesterol medications: Consider the options

Cholesterol medications might help lower your cholesterol levels. Here are some options.

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