By the time health regulation started seriously restricting cigarette marketing in the latter half of the 20th century the 20 cigarette standard was so deeply embedded in production infrastructure, retail pricing & consumer expectation that changing it would have required industry wide coordination that never materialized
As the report notes, the elimination of tobacco use and its unequaled harms is now within our grasp, but achieving this goal will require significant scientific progress, including advances led by the NCI. Further, the report says that the research community must consider key factors that help maintain continued tobacco use, including a changing population of tobacco users, evolving patterns of tobacco use, new and different tobacco products, and a complex and rapidly evolving policy environment
Butane Butane is a gas you can find in lighter fluid
it is believed to have been introduced to the region by Spanish missionaries from South America either via imported grain or deliberately as a source of smoking tobacco
"Instead of burning tobacco to deliver nicotine, vaping devices heat up a coil to vaporise nicotine or nicotine-free e-liquids, which are available in an array of universal flavours." While many e-cigarettes contain nicotine - the addictive chemical in cigarettes - they do not contain tobacco, which is what makes cigarettes harmful
