Fr does not produce excess saliva as you might find with typical smokeless tobacco products
IARC Monogr Eval Carcinog Risks to Humans Volume 100: Islami F, Moreira DM, Boffetta P, Freedland SJ (2014) A systematic review and meta-analysis of tobacco use and prostate cancer mortality and incidence in prospective cohort studies
the current one expires after this season
7 People using e-cigarettes or having direct exposure to e-liquids report experiencing dryness, burning, irritation, bad taste, bad breath, and pain or discomfort
of cleanlinesse, of modestie, men should not be ashamed, to sit tossing of Tobacco pipes and puffing of the smoke of Tobacco one to another, making the filthie smoke and stinke thereof, to exhale athwart the dishes, and infect the aire, when very often, men that abhorre it are at their repast? A CounterBlaste to Tobacco by King James I of England, 1604 King James I was ahead of his time
You obviously are at risk of developing gum disease or oral cancer