Karen started using dangerous street drugs . she insists that she knows what those drugs normally do to the body. but u suspect there may be additives in the substance she is getting. what karen may be risking , in addition to the problems she is already expecting to face ? a. sexually transmitted diseases b. asthma c. clogged blood vessels d. bronchitis

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