Cough continues to be one of the most troublesome symptoms for many patients. It can be acute (lasting less than 3 weeks), subacute (lasting 3 to 8 weeks), or chronic (lasting 8 weeks or longer).
If you or someone close to you suffers from chronic shortness of breath, persistent cough, and reduced physical fitness, there is a chance it may be COPD. This is a serious lung disease affecting ...
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