Cigarette advertising on TV has been illegal since the 70's. Before that, there were all sorts of TV commercials for smoking, though. For teens who have only been alive since the 90's, how will they react to seeing commercials featuring celebrities, doctors, and even The Flintstones lighting up a cigarette?

Watch the latest 'Teens React' video and see what they think of these old cigarette commercials. Plus, they chime in on vaping, anti-smoking PSA's, and more.

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