The 3rd option is the right answer
3 & usually 1-2 hours , hope this helps some !
Someone with Emphysema will usually be diagnosed with COPD ( Chronic obstructive pulmonary disease) This means their air sacs in there lungs are damaged and the inner walls of the the lungs are weakened and cause larger air spaces. This disease commonly causes bronchitis frequently, hard time breathing , lower immune system.
