On behalf of nasty cigerette smoke - it is not only the smokers producing us but the fact that we can stay on the fabric of a good over-the-pub-room for many years and those with sensitive chests will still be affected despite the only smoke being months old. No smoking needs to be just that ! As lingering smoke me and my friends, fresh smoke and stale smoke near clear guidance on where we may hang out, if you clean up your act and make the WHOLE PLACE non smoking we will move on and settle elsewhere. By the way, those with asthma-like problems can see a doctor, the NHS has been providing this quaint little service since 1948