Back then, there were few barriers to cigarette marketing or consumption
Differential induction of hepatic CYP enzymes by tobacco products and e-cigarettes: recommendation to rethink smoking status in clinical pharmacology Ann-Kathrin Lenich, Angela Litz, Lisa-Marie Reindl, Stephanie Ruez Archives of Toxicology 20
This is the perpetual part
Nicotine Levels in Tests: During the underwriting process, insurers often require medical exams and nicotine tests
Big Tobacco developed interest in the growing Hispanic population and launched marketing initiatives in the 1970s and 1980s
Additionally, while previous literature has shown that most African adolescents obtain tobacco products from stores 33 , it is possible that informal markets such as street vendors or illegal channels, like smuggling or counterfeiting, could also be sources of tobacco products at low prices 34