It is strange. I can't think of anything else like it. We don't exercise, eat healthy, or abstain from other drugs, despite massive campaigns, but smoking is largely gone.

Undisciplined

Given how rampant the vaping culture is in Singapore, even among elementary school students, I find America’s relative absence of smoking culture amazing! 

cryotosensei

Nudges for SN

The thing with anti-smoking campaigns is that it actually worked in America. It's become pretty uncommon for people to smoke here. Maybe it should just say "Zap Well" or "Happy Zapping!", which would come off more affirmatively.

I like the experiment idea. Don't forget control group C, though.