11.   Whatever smokers say about quitting, they are rationally deciding that the pleasure they derive from cigarettes exceeds their cost.

12.   Four in five smokers said they were addicted and would find it difficult to give up for a week.

13.   Some smokers say they are aware of the health risks, but they also face significant hurdles when trying to quit.

14.   The acknowledged marijuana smoker said he believed there would be a short-term danger of dealers attempting to sell more of the drug and youths abusing it.

15.   The different flavors are a pleasant change from the regular fare, smokers say.

16.   The smokers say tobacco companies failed to make their products safer when confronted with evidence of health risks.

17.   The smokers said the unprecedented, industry-funded screening program could lead to the early detection of lung cancer, emphysema and chronic obstructive pulmonary disease.