Smoking in the absence of nicotine: behavioral, subjective and physiological effects over 11 days
A major manufacturer is Philip Morris International, the cigarette manufacturer that purchased Swedish Match, Sweden's largest producer of synthetic nicotine pouches, Zyn
Enforce custody and visitation provisions the same way as no contact or stay away provisions (i.e., finding the offender in contempt of court, determining that the violation constitutes a misdemeanor crime, or whatever other enforcement mechanisms the court may use, including, if permitted under state law, directing law enforcement to recover the child)
If you want to live long and healthy, then tobacco is not the way, but leaving tobacco is the only way