Hi guys I’m 27 with chronic bronchitis my lung function is normal but my symptoms are not Ct scan shows minor fibrotic scarring and infective band … I get tingles of blood with phlegm sometimes and just wanted to know if it was normal it’s not a lot of blood just streaks and kind of slides out with my phlegm first thing in morning sometimes is it the cold weather does this mean Il defo get copd or can I still stop it