how long does chewing tobacco stay in your system Can Nicotine System? how long chewing tobacco stays

However it really is of no concern whatsoever

A recent critical appraisal published in the journal Tobacco Control by Sophie Braznell and colleagues in the UK of the known published interventional clinical trials of these products does not inspire confidence in recommending them: Of the 40 identified interventional clinical trials assessing heated tobacco products (HTP), 29 were industry affiliated and 11 were independent

Fiore MC, Jan CR, Baker TB, et al

Obesity Research links HS with being overweight as well as diseases that are related to obesity, such as diabetes and hypertension

And this isn't helped by the fact that the carbon monoxide made by cigarettes reduces the amount of oxygen in your body