Common health risks associated with smoking drugs include lung damage, various cancers, cardiovascular problems, pregnancy and birth complications, and an increased risk of developing a substance use disorder
J Subst Abuse Treat 2015.
grinders, who try the cases
For them, there is a net additional detriment, but this is small given the low-risk alternative and likely transient, given they did not have a high propensity to use nicotine (or they would have smoked in the counterfactual)
Cancer, COPD, and other lung diseases are caused not by nicotine but mostly by tar and other chemicals, easily inhaled by second-hand smokers
Perhaps some research indicates that quitting smoking hypnosis does not work until the focus has some purpose to get something