Which of the following is an effect of smoking? a. a smoker's heartbeat is three times slower than a non-smokercs. b. smoking slows down your lung growth. c. smoking improves your lung function. d. teens who do not smoke suffer from shortness of breath more often than those who do smoke.

Which of the following statements about the societal costs of tobacco use is true? a. tobacco use affects the tax rate of only those individuals who smoke. b. the negative effects of tobacco use are only experienced by the smoker. c. tobacco users contribute to an overall loss of productivity. d. increased healthcare costs are mainly absorbed by tobacco users