These three samples look funny and bizarre today, but it's interesting to consider the impact advertising has on society in more general terms and think about how some of the things we get "sold" today may look in 50 years.
According to the advertisers - Doctor's smoked Camels, Chesterfield's had no adverse effects and in 1948 you could get a job as a professional smoker.
There's a lot of these commercials on YouTube, just search for "vintage cigarette commercials".