You Have a Friend Who Always Says, "You Cannot Legislate

You have a friend who always says, "You cannot legislate healthy living." You think that this is not true and point to the relationship between state-wide smoking bans and rates of heart attacks as evidence.After a state or country bans smoking in public places, rates of heart attacks decline by what percentage within the first year after the ban?

A) 5%, so your friend is correct, legislation has little effect on healthy outcomes
B) 10%, so your friend is correct, legislation has little effect on healthy outcomes
C) 30%, so you are correct, legislation can lead to significant positive health outcomes
D) 50%, so you are correct, legislation can lead to significant positive health outcomes