It is very uncomfortable to inhale the smoke of a cigarette smoker. I know this for a fact, since my father smokes a lot. When we are together in a a room, the smoke he exhales fills my lungs and also makes my eyes water. If possible, smoking in public should be banned altogether, because it is unfair for non-smokers to go through the ordeal of breathing smoke-filled air. so it is very inconsiderate of people to smoke in front of others. In airplanes, people who smoke are separated from passe...