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Coronary angiogram

Learn more about this heart disease test that uses X-ray imaging to see the heart's…

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Coronary angioplasty and stents

Coronary angioplasty and stents can open clogged blood vessels that deliver blood to heart muscles.

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Coronary artery bypass surgery

This major heart surgery, also called CABG, creates a new path for blood to flow…

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Coronary artery disease

Know the warning signs of this common heart condition often caused by clogged, narrowed arteries…

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Coronary artery disease: Angioplasty or bypass surgery?

The best treatment for coronary artery disease depends on the circumstances.

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Coronary artery spasm: Cause for concern?

This sudden, temporary squeezing of an artery reduces blood flow to the heart. Know the…

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Coronary calcium scan

This heart CT test can show calcium deposits in the blood vessels. Know how the…

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Coronavirus disease 2019 (COVID-19)

Coronavirus disease 2019 (COVID-19) is an illness caused by the virus SARS-CoV-2. Learn more about…

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Coronavirus: What is it and how can I protect myself?

Coronavirus disease 2019 (COVID-19) is caused by a virus that spreads between people. Find out…

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Corticobasal degeneration (corticobasal syndrome)

Learn about this rare disease that affects brain cells. The disease can make it hard…

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Cortisone shots

These shots can help relieve pain, swelling and irritation. Potential side effects generally limit the…

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Cosmetic surgery

The goal of this type of surgery is to improve your appearance. It can involve…

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Costochondritis

This chest wall pain, caused by inflammation, often improves on its own.

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Cough

This is the body's response when the throat or airways are irritated. Coughing once in…

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Cough headaches

Often triggered by coughing and other types of straining, these headaches can be harmless or…

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Coughing more after quitting smoking: What's the deal?

If you cough more than usual after you give up cigarettes, find out what it…

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Coughing up blood

Coughing up blood: Symptom — Comprehensive overview covers possible causes of coughing up blood.

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Counting calories: Get back to weight-loss basics

Calories count — Try these calorie-cutting basics to get a handle on your weight.

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COVID-19 and pets: Can dogs and cats get COVID-19?

Find out how COVID-19 can affect dogs and cats, what you can do to protect…

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COVID-19 and your mental health

Worry and concern about COVID-19 are common. Here are some ideas for how to cope…

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COVID-19 antibody testing

Learn how COVID-19 antibody testing is done to find out if you've had a past…

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COVID-19, cold, allergies and the flu: What are the differences?

It's not easy to tell these health conditions apart based on their symptoms alone. Find…

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COVID-19 diagnostic testing

Find out how to test to learn if you're infected with the virus that causes…

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COVID-19 drugs: Are there any that work?

Medicine can help people who are at risk of, diagnosed with, or have symptoms of…

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COVID-19 in babies and children

Know the symptoms of COVID-19 in children, what to do if your child appears sick…

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COVID-19 infections by race: What's behind the health disparities?

Understand how underlying health conditions, the places where people live and work, and racism can…

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COVID-19 travel advice

Traveling during COVID-19? Follow these tips for safely flying, driving and staying at hotels.

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COVID-19 vaccine: Should I reschedule my mammogram?

Swollen lymph nodes caused by the COVID-19 vaccine can look like breast cancer on a…

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COVID-19 vaccines for kids: What you need to know

Learn about the safety and effectiveness of COVID-19 vaccines for kids, the possible side effects,…

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COVID-19 vaccines: Get the facts

Find out about the COVID-19 vaccines, the benefits of COVID-19 vaccination and the possible side…

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