..snip..
If you are young and otherwise healthy, and have no conditions that would slow or preclude healing -- no infection, no diabetes, no steroid use, no chronic cough, etc. --
..snip..
Well I still feel young at 62.
But seriously, no other complicating factors, in good health and in fact the (treadmill) ergometric test from my annual checkup 1 month ago was still a lot better than one I did 12 years ago even though nowadays they cut the test short due to age based MHR being reached when I'm not even breathing hard.