Which is the leading cause of preventable deaths in the united states? a. cigarette smoking b. asthma c. lung cancer d. tobacco use

The answer is D) Tobacco Use.

The answer is D

hope that helps

(a) is not correct because one does not get increased cholesterol  from lifting weights.(b) is not correct because lifting weights cannot reduce the risk of a hereditary disease.(c) is not correct because back pain isn't a benefit! and plus, if he lifts weights properly, he should not have back pain.(d) is the correct answer because his ligaments will gain mass, making it easier for him to carry heavier weights and he will also be stronger!