is the inflammation of the bronchi. It may develop suddenly, following a head cold (acute ), or it may persist or return regularly for many years, causing progressive degeneration of the bronchi and lungs (chronic ). Certain people are more susceptible than others; Men are more of a target to than women, out numbering them 10 to 1 cc the reasons are unclear. Of course smokers are 50 times more likely to get chronic bronchitis than noncsmokers. Acute bronchitis is a bacteria or virus infection, often following a cold smoking. People who h ....