Smoking is the no. 1 cause of COPD, accounting for 90 percent of the millions of cases in the U.S. and Canada. The surest way to not develop this horrible disease is to not smoke.
Read more about COPD and the smoking connection, here: http://www.kentucky.com/2013/11/15/2933934/most-cases-of-copd-preventable.html
If you need help to stop smoking, visit our website. http://StopSmokingForGood.com