Pneumonia

Pneumonia is a lung infection that can range from mild to so severe that you have to go to the hospital. If you have a new cough, fever, or shortne...

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Pleurisy (Pleuritis)

If your doctor treats your infection, that can make it -- and the pain -- go away. Your doctor will ask you to describe the type of pain you feel w...

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Picture of The Lungs

The trachea (windpipe) conducts inhaled air into the lungs through its tubular branches, called bronchi. The bronchioles eventually end in clusters...

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Mesothelioma

Mesothelioma is cancer of the mesothelium, a membrane that lines the inside of the body's cavities, such as the abdomen or chest. The main risk fac...

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What is SARS?

SARS can spread when people who have it cough or sneeze, spraying tiny droplets of liquid with the virus to other people within 2-3 feet. People wh...

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Symptoms of Coronavirus

Some doctors have reported rashes tied to COVID-19, including purple or blue lesions on children’s toes and feet. Researchers say kids have many of...

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Variants of Coronavirus

Viruses are always changing, and that can cause a new variant, or strain, of a virus to form. When scientists found out that it was making people s...

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