Education level was negatively associated with both smoking and drinking, people with junior school degree (OR = 0.89), high school degree (OR = 0.70) and university or higher degree (OR = 0.39) were all significantly less likely to smoke and drink than people with primary school education, and the odds ratio decreased with the improvement of educational level
Marieh Honarmand, Alireza Nakhaee, and Mohammad Moradi, Comparison of Salivary Cotinine Concentrations in Male Smokers and Smokeless Tobacco Users, 2018
To outsiders, we represent the scum of the earth, but we know better
Toxin Buildup Cigarette smoke contains over 7,000 chemicals, including formaldehyde, benzene, arsenic, and heavy metals