However, along with genetic factors, there is a possibility that environmental factors such as dust, smoking, and pollutants, ...

A common over-the-counter ingredient in many cough syrups ... Medicine and showed how dextromethorphan can impede the collagen that forms scars, inside cells, reducing lung fibrosis.

Persistent cough may be associated with bronchial hyperresponsiveness and/or smoking. We analysed the baseline data of the participants of a general practice, single-centre, randomised ...

Chronic bronchitis was defined as a productive cough present on most days for a minimum of 3 consecutive months over 2 or more successive years. ACB was defined as a rapid onset of cough with ...