Explanation: Since 1998 smoking has increased by 50% in youth-oriented movies. In the 1970’s and 1980’s, actors lit a cigarette every 10 to 15 minutes, by the 1990’s they lit up every 1 to 3 minutes. Check out the facts. Smoking in movies encourages young people to think that smoking is more common in society than it actually is. It increases the number of young people who will try smoking. It encourages existing smokers to smoke more and acts as an advertisement for tobacco companies.