Up to 85% of tobacco smokers develop COPD. Statistics show that tobacco smoke is implicated in most COPD cases, meaning COPD is largely preventable by not smoking.  As smoking is the main cause, most people diagnosed are over the age of 40. The course of COPD progression may be slowed if smoking stops, making it very important that people with COPD do not continue to smoke after diagnosis. The … Continue reading Smoking and the COPD link