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Respiratory Conditions

Respiratory conditions impact the lungs and the ability to breath. In this section, find out about the symptoms and treatment of apnea, orthopnea and more.

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What is COPD?

COPD is a progressive disease that makes it more and more difficult to breathe as the disease worsens. Learn more about COPD by reading this article.


Acute respiratory failure is a medical emergency that occurs when your blood does not get enough oxygen, has too much carbon dioxide, or both. Learn what acute respiratory failure is in this article. See more »

Adult respiratory distress syndrome is respiratory failure generally caused by injury or severe infection to the lungs. Learn what adult respiratory distress syndrome is in this article. See more »

A mutation on the CFTR gene results in cystic fibrosis. Learn more about the CFTR gene and cystic fibrosis from this article. See more »

Chronic sinusitis is caused by prolonged and persistent inflammation of the sinuses. Learn more about chronic sinusitis from this article. See more »

Common bowel symptoms of cystic fibrosis include constipation, diarrhea and foul-smelling stools. Learn more about bowel symptoms of cystic fibrosis from this article. See more »

Diacetyl is a chemical used to make popcorn and other candy taste buttery; people who are exposed to it regularly may suffer from damage to their lungs. Learn more about the effects of diacetyl from this article. See more »

What are some books about cystic fibrosis? Visit HowStuffWorks to learn more about what kind of books there are for cystic fibrosis. See more »

What are some cystic fibrosis statistics? Please visit HowStuffWorks to learn more about cystic fibrosis and some cystic fibrosis statistics. See more »

What are some home remedies for sinus congestion? Visit HowStuffWorks to learn more about some home remedies for sinus congestion. See more »

What are some medications for respiratory infections? Visit HowStuffWorks to learn more about some medication for respiratory infections. See more »