During my early 20s and 30s, I smoked cigars religiously, at least five per week
References: Butterworth JF et al (2018): Neuromuscular Blocking Agents (Chapter 11)
Adults living in the most deprived neighbourhoods were more likely to be daily smokers than adults living in the least deprived neighbourhoods (12.9% and 2.4%, respectively)
It is possible, with some hard work, to get smoke smell out of a house
Current offerings on the market include dozens of flavors, such as strawberry cake juice, organic coconut oil sticks, espresso, clove, and bad apple. But beware: according to one of the articles authors, this paper is not suggesting that we should promote e-cigarettes to non-smokers or non-vapers for weight management.