| teen smoking | 7.77 | And teen smoking appears to be rising. | ||
| teen-age smoking | 3.88 | At the time, teen-age smoking was on the rise. | ||
| teenage smoking | 2.57 | Teenage smoking offends me. | ||
| banning smoking | 2.11 | Banning smoking could be good for business. | ||
| underage smoking | 1.91 | The trend then reversed and underage smoking began to rise. | ||
| quitting smoking | 1.65 | Quitting smoking was a personal triumph for her. | ||
| heavy smoking | 0.86 | She has a bad cough, caused by heavy smoking. | ||
| stopping smoking | 0.86 | Stopping smoking can significantly reduce your risk of suffering a heart attack. | ||
| careless smoking | 0.79 | He would not comment on whether careless smoking may have caused the blaze. | ||
| combat smoking | 0.79 | Zeltner lamented a lack of political will to combat smoking. | ||
| adult smoking | 0.66 | Clinton said adult smoking will not be regulated. | ||
| quit smoking | 0.66 | Quit smoking and those risks start dropping. | ||
| reducing smoking | 0.66 | Surveys show the program is reducing smoking. | ||
| restricting smoking | 0.66 | They also said restricting smoking in public places helps. | ||
| public smoking | 0.59 | ...the campaign against public smoking. | ||
| curbing smoking | 0.53 | The WHO, which has made curbing smoking a priority, rejects that approach. | ||
| increased smoking | 0.39 | Increased smoking among women and teenagers has offset the decline among men. | ||
| banned smoking | 0.33 | Northwest has since banned smoking on its flights. | ||
| discouraging smoking | 0.33 | He offers evidence that recent gestures by cigarette companies at discouraging teen-age smoking are mostly smoke screens. | ||
| indoor smoking | 0.33 | A growing number of employers, businesses and governments have banned indoor smoking. |