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NOVA series focuses on the history of the cigarette in society and the tobacco industry's race to develop a potential safer cigarette. From research at manufacturing facilities on the many toxins included in heated tobacco consumption to studies on new smoking systems, this documentary attempts to shed light the otherwise deadly consumer product and it's mind-altering factors. Also highlighted are the many known carcinogens in tobacco and the nitrosomines that are responsible for the damage of human DNA.DVD Features:Region 1Keep CaseSingle Side - Single LayerFull Frame - 1.33:1Interactive Features: Scene Access Optional English SubtitlesDVD-ROM Features: Web Links - 1. SEARCH FOR A SAFE CIGARETTE Website