Bronchitis is an inflammation of the bronchi (medium-size airways) in the lungs. Acute bronchitis is usually caused by viruses or bacteria and may last several days or weeks. Chronic bronchitis is not necessarily caused by infection and is generally part of a syndrome called chronic obstructive pulmonary disease (COPD); it is defined clinically as a persistent cough that produces sputum (phlegm)and mucus, for at least three months in two consecutive years.
taken from here.
what should I do??
- stop smoking
- live a healthy life
- exercise.... well, advised to do so
- no very-late-sleeping
- less stress
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