I'm new here, too, and have never been in this sort of site. Takes a bit of figuring out, for me. What's COPD? I like the idea of using a disc whilst treading. Where do get them? It is something that you are good two hours in a gym. I could never hack that. 'Course you are still pretty young. I'm eighty-six and look back at seventy as a pretty frisky age.
The trick to keeping it up is keeping it up, or so they tell us.