[oidar]

>Speaking of smoking, anti-smoking campaigns in the US in the 90s led to a vast reduction in teen use and adult use alike.

Late 90s... specifically after 1997 and early 2000s. But the anti-smoking campaigns before that were not effective. In fact, educating teens and adults on the dangers of smoking increased smoking. Smoking rates for teens peaked at 37% in 1997. it wasn't until the "Truth" campaigns where they focused on how the tobacco industry was basically a conspiracy, that smoking rates began to fall. And you can't pretend that tobacco taxes didn't play a part in reducing usage either.