Hi @greent18, Were you checked for asthma during your lung check, whether the common kind, or sports asthma? I know some people who have exercise-induced asthma that can cause a feeling of shortness of breath or air hunger while exercising.

People have noted things that have helped them over the years. I know there are a lot of pages of comments on this thread, but might be worth it to skim through at least a few of them. I encourage people to do breathing exercises because that's what helped me. They may not help everyone, but I figure it doesn't hurt to try. I use the Buteyko method and that's what has helped me the most, as well as keeping up with regular exercise (with breath control).