Their combined effects on cause-specific mortality were investigated in a prospective cohort study
The answer may just surprise you
The campaign featured sailors, sea captains, pilots, weightlifters, war correspondents, scientists, and farmers, alongside the slogan-turned-jingle: You get a lot to like with a Marlboro filter, flavor, flip-top box. Rather than using professional models, the agency took a more straightforward approach and cast men who embodied what Burnett described as masculine confidence: We shunned slick professional models, so familiar in cigarette advertising, as well as testimonials
Participants were current smokers who were patients at one of the participating healthcare systems clinics, aged 18 years and spoke English
It is then dried, and coloring and flavoring agents are added