> A message that said "Cigarettes will kill you" didn't stop smokers That's the opposite of true. It didn't stop _every_ smoker, but research has established t

> A message that said "Cigarettes will kill you" didn't stop smokers That's the opposite of true. It didn't stop _every_ smoker, but research has established that anti-smoking marketing and labeling has a massive impact on how many people smoke overall.