Emphysema is a condition connected with COPD. The lungs' air sacs may well collapse or extend past their ordinary capacity resulting from this problem's harm to the air sacs' walls. We ask for you to be cautious when sharing any sensitive details or clicking on unverified hyperlinks. 2. BLK-Max Medical https://allergyclinicgreenpark.wordpress.com/2021/08/23/cardiovascular-pulmonary-physicians-keep-us-beating-and-breathing/