Diagnostic Bronchograms
"I have chronic bronchitis and the beginnings of emphysema and am a smoker. I&#039;m  also prone to ulcers. Since I started taking NAC, I breathe easier and my bronchitis seems to be less &quot;phlemmy&quot;. I&#039;ve had no ulcer attacks. I&#039;ve been taking it for a bit more than a year. "