Last year I had a lot of trouble breathing especially in cold weather. I went to the emergency room twice. This year I have not experienced SOB but once and then it was mild and didn't last long. I haven't been doing anything different - in fact I often forget to use my inhaler. Twelve years ago I was diagnosed with emphysema and activity activated asthma. My symptoms steadily got worse - until this year. I can't explain why I am so much improved - it seems unreal. I did lose weight, about 30 lbs - but never was heavy - now I weigh 120 lbs, less than I did in college. Has anyone else experienced improvement like mine?