Quit while you're ahead.
D016902:Air Pollution, Indoor / Q000517:prevention & control*; D005260:Female; D006293:Health Promotion / Q000458:organization & administration*; D006801:Humans; D008297:Male; D010865:Pilot Projects; D011998:Recreation; D016540:Smoking Cessation; D013222:State Medicine; D006113:United Kingdom / Q000453:epidemiology