You’re considered to have chronic bronchitis if you cough most days for at least three months a year in two consecutive years. Often, however, smokers with chronic bronchitis, cough almost every day, even if it's just to "clear their throats" in the morning. Unlike acute bronchitis, chronic bronchitis is a fragmentary, serious disease. Smoking is the major cause, but air pollution, dust or, toxic gases in the environment or workplace also can contribute to the
You’re considered to have chronic bronchitis if you cough most days for at least three months a year in two consecutive years. Often, however, smokers with chronic bronchitis, cough almost every day, even if it's just to "clear their throats" in the morning. Unlike acute bronchitis, chronic bronchitis is a fragmentary, serious disease. Smoking is the major cause, but air pollution, dust or, toxic gases in the environment or workplace also can contribute to the