Following trends in behaviors such as smoking is more easily accomplished using rates, because population sizes can change due to natural increase or decrease or in- or out-migration and a prevalence allows a relative measure of the problem
There is a continuum of harm of nicotine-containing products from the high harm of combusted tobacco to much lower harms of non-combustible nicotine delivery with or without tobacco, including NRT
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They feel more relaxed, have more money, they look and feel better, their skin looks healthier, and they have more energy when they do something active like going for a walk or playing with their children, they no longer smell of smoke and they are not as worried about their health
Tobacco remains the leading preventable cause of death