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    Lung Disease & Respiratory Health Center

    Chronic Bronchitis Directory

    Chronic bronchitis is a serious condition. It is a type of chronic obstructive pulmonary disease (COPD). Smoking is the main cause of chronic bronchitis. Follow the links below to find WebMD's comprehensive coverage about how chronic bronchitis develops, what the symptoms are, how to treat it, and much more.

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    Thumbnail: COPD: Ways to Avoid Weight Loss

    If you have COPD, your calorie requirements may be higher than you think. A person with COPD can burn 10 times as many calories breathing as a healthy person. Here are 11 feel-better foods and beverages that are rich in calories and nutrients.

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