Where does it say most people are not smokers? "Overall, the chance that a man will develop lung cancer in his lifetime is about 1 in 14; for a woman, the risk

Where does it say most people are not smokers? "Overall, the chance that a man will develop lung cancer in his lifetime is about 1 in 14; for a woman, the risk is about 1 in 17. These numbers include both smokers and non-smokers. For smokers the risk is much higher, while for non-smokers the risk is lower."